US3229416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rack-actuated propeller toy
Assignee: Individual
•
Filing: 1964-03-20
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Granted: 1966-01-18
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Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Bross Helmut Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:32
CPC Classifications
A; A63; A63H; A63H29/00; A63H29/24; A63H27/00; A63H27/14; A63H29/02; A63H29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A TOY COMPRISING A BODY, A PAIR OF PROPELLERS IN SUBSTANTIALLY THE SAME PLANE AND SPACED FROM EACH OTHER CARRIED BY SAID BODY FOR ROTATION THEREON, SAID PROPELLERS INCLUDING HUBS DEFINING PINION DRIVE GEARS, A FLEXIBLE PLASTIC RACK DEFINING A FIRST AND SECOND SERIES OF TEETH ON DIFFERENT FACES OF SAID TRACK AND HAVING A PULLING HANDLE AT ONE END, SAID RACK BEING ENGAGEABLE WITH SAID PINION GEARS, AND A PAIR OF RACK SUPPORTING AND GUIDE MEANS DEFINED BY SAID BODY ON OPPOSITE SIDES OF SAID BODY AND PROXIMATE SAID GEARS FOR SUPPORTING AND GUIDING SAID RACK INTO MESHING ENGAGEMENT WITH SAID GEARS UPON INSERTION OF SAID RACK BETWEEN SAID PINION DRIVE GEARS AND SAID GUIDE MEANS, WHEREUPON RAPID PULLING OF SAID RACK BY MEANS OF SAID HANDLE THROUGH SAID GUIDE MEANS WILL SPIN SAID PINION GEARS AND THEIR PROPELLERS IN OPPOSITE DIRECTIONS.
Claim 2
Dependent Claim
143 words
A TOY COMPRISING A BODY, A PAIR OF PROPELLERS IN SUBSTANTIALLY THE SAME PLANE AND SPACED FROM EACH OTHER CARRIED BY SAID BODY FOR ROTATION THEREON, SAID PROPELLERS INCLUDING HUBS DEFINING PINION DRIVE GEARS, A FLEXIBLE PLASTIC RACK DEFINING A FIRST AND SECOND SERIES OF TEETH ON DIFFERENT FACES OF SAID TRACK AND HAVING A PULLING HANDLE AT ONE END, SAID RACK BEING ENGAGEABLE WITH SAID PINION GEARS, AND A PAIR OF RACK SUPPORTING AND GUIDE MEANS DEFINED BY SAID BODY ON OPPOSITE SIDES OF SAID BODY AND PROXIMATE SAID GEARS FOR SUPPORTING AND GUIDING SAID RACK INTO MESHING ENGAGEMENT WITH SAID GEARS UPON INSERTION OF SAID RACK BETWEEN SAID PINION DRIVE GEARS AND SAID GUIDE MEANS, WHEREUPON RAPID PULLING OF SAID RACK BY MEANS OF SAID HANDLE THROUGH SAID GUIDE MEANS WILL SPIN SAID PINION GEARS AND THEIR PROPELLERS IN OPPOSITE DIRECTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |