Patent US3564935A successfully refreshed from Google Patents.
US3564935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed gearing
Assignee: Individual
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Filing: 1969-08-29
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Granted: 1971-02-23
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Expires: 1989-08-29
Abstract
Abstract AN IMPUT SHAFT CARRYING A DRIVING GEAR IS SURROUNDED BY A ROCKABLE PLATE CARRYING PINIONS ENGAGED WITH SAID DRIVING GEAR AND ADAPTED TO SELECTIVELY ENGAGE OPPOSITELY ARRANGED GEARS FORMING PART OF A SERIES OF ARCUATELY DISPOSED POWER TRANSMISSION GEARSH WHEREBY ROCKING OF SAID ROCKABLE PALATE TO ENGAGE ONE PINION WITH ITS ASSOCIATED GEAR DRIVES THE SHAFT OF THE GEAR AT RHE OIPPOSITE END OF THE TRAIN IN ONE DIRECTION AT A CERTAIN SPEED, AND ROCKING THE PLATE IN THE OPPOSITE DIRECTION DISENGAGES SAID ONE PINION AND ENGAGES THE OTHER PINION WITH ITS ASSOCIATED GEAR TO DRIVE THE SHAFT THEREOF AT A DIFFERENT SPEED.
Inventors
- 👤 Giuseppe Vigneri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:23
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/34; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19358; Y10T74/19367; Y10T74/19605; Y10T74/19614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |