FR801848A - Perfectionnements aux sirènes - Google Patents

Perfectionnements aux sirènes

Info

Publication number: FR801848A
Authority: FR; France
Prior art keywords: mermaid; refinements; mermaid refinements
Prior art date: 1935-02-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

Other languages

Inventor

Olof Ingemar Harald Ekman

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1935-02-12

Filing date

1936-02-12

Publication date

1936-08-19

1936-02-12 Application filed filed Critical

1936-08-19 Application granted granted Critical

1936-08-19 Publication of FR801848A publication Critical patent/FR801848A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)

FR801848D 1935-02-12 1936-02-12 Perfectionnements aux sirènes Expired FR801848A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE801848X		1935-02-12

Publications (1)

Publication Number	Publication Date
FR801848A true FR801848A (fr)	1936-08-19

Family

ID=20342622

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR801848D Expired FR801848A (fr)	1935-02-12	1936-02-12	Perfectionnements aux sirènes

Country Status (1)

Country	Link
FR (1)	FR801848A (fr)

1936
- 1936-02-12 FR FR801848D patent/FR801848A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
FR802453A (fr)	1936-09-05	Perfectionnements aux soutien-gorge
FR794419A (fr)	1936-02-17	Perfectionnements aux carrosseries
FR793823A (fr)	1936-02-01	Turbo-compresseur
FR782576A (fr)	1935-06-07	Perfectionnements aux boussoles
FR798413A (fr)	1936-05-16	Perfectionnements aux hélices
FR794520A (fr)	1936-02-19	Perfectionnements aux hélices
FR805464A (fr)	1936-11-20	Perfectionnements aux hélices
FR801848A (fr)	1936-08-19	Perfectionnements aux sirènes
FR784051A (fr)	1935-07-22	Perfectionnements aux embrayages
FR823759A (fr)	1938-01-26	Boussole
FR782632A (fr)	1935-06-07	Perfectionnements aux oscillateurs
FR787376A (fr)	1935-09-21	Perfectionnements aux hélices
FR810285A (fr)	1937-03-18	Perfectionnements aux brancards
FR813850A (fr)	1937-06-09	Perfectionnements aux enveloppes
FR813806A (fr)	1937-06-09	Perfectionnements aux tubs
FR811936A (fr)	1937-04-26	Perfectionnements aux projecteurs
FR796843A (fr)	1936-04-16	Perfectionnements aux propulseurs
FR808214A (fr)	1937-02-01	Perfectionnements aux anaglyphes
FR813502A (fr)	1937-06-03	Sirène
FR786549A (fr)	1935-09-05	Perfectionnements aux planchers
FR794701A (fr)	1936-02-24	Perfectionnements aux soutien-gorge
FR789343A (fr)	1935-10-26	Perfectionnements aux blaireaux
FR811168A (fr)	1937-04-08	Perfectionnements aux masques
FR795876A (fr)	1936-03-24	Perfectionnements aux carrosseries
FR805026A (fr)	1936-11-09	Perfectionnements aux soufreuses-poudreuses