Patent US3304795A successfully refreshed from Google Patents.
US3304795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonlubricated formed gearing
Assignee: Individual
•
Filing: 1966-02-28
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Granted: 1967-02-21
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 William S Rouverol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:05
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; F16H55/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/1987; Y10T74/19893; Y10T74/19907; Y10T74/19921; Y10T74/19949; Y10T74/19963; Y10T74/19967; Y10T74/19972
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A GEAR CONSTRUCTION THAT INCLUDES A PAIR OF MATING GEARS EACH PROVIDED WITH A POWER TRANSMITTING RIM, THE RIM OF EACH OF SAID GEARS COMPRISING A TOOTHED RING OF YIELDABLE MATERIAL AND A BACKING RING OF YIELDABLE MATERIAL ON THE SIDE OF SAID TOOTHED RING OPPOSITE THE MATING GEAR, SAID RIM PROVIDING SUBSTANTIALLY LESS RIGIDITY IN A RADIAL DIRECTION THAN IN A TANGENTAL DIRECTION.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |