FR540537A - Warning stamp - Google Patents
Warning stampInfo
- Publication number
- FR540537A FR540537A FR540537DA FR540537A FR 540537 A FR540537 A FR 540537A FR 540537D A FR540537D A FR 540537DA FR 540537 A FR540537 A FR 540537A
- Authority
- FR
- France
- Prior art keywords
- stamp
- warning
- warning stamp
- Prior art date
- 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
Links
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
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
- G10K1/07—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube mechanically operated; Hand bells; Bells for animals
- G10K1/072—Operating or striking mechanisms therefor
- G10K1/074—Operating or striking mechanisms therefor with rotary clappers or shells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J3/00—Acoustic signal devices; Arrangement of such devices on cycles
- B62J3/02—Mechanical devices
- B62J3/04—Mechanical devices activated by the rider, e.g. bells or horns
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE540537X | 1920-09-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR540537A true FR540537A (en) | 1922-07-12 |
Family
ID=3872064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR540537D Expired FR540537A (en) | 1920-09-01 | 1921-08-19 | Warning stamp |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR540537A (en) |
-
1921
- 1921-08-19 FR FR540537D patent/FR540537A/en not_active Expired
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