Patent US3122938A successfully refreshed from Google Patents.
US3122938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-backlash gear and gear combination
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:21
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/17; F16H55/18; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623; Y10T74/19642; Y10T74/19698; Y10T74/19828
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A GEAR OF UNITARY CONSTRUCTION HAVING A RIGID HUB, A RIGID RIM, RIGID TEETH AND A FLEXIBLE WEB ADAPTED TO PROVIDE ANGULAR DEFLECTION OF SAID RIM RELATIVE TO SAID HUB WHEREBY A LINE COAXIAL WITH THE AXIS OF SAID HUB OF SAID GEAR FORMS AN ANGLE WITH AN INTERSECTING LINE TAKEN NORMAL TO THE PLANE IN WHICH SAID RIM LIES UPON DEFLECTION OF SAID RIM RELATIVE TO SAID HUB.
References Cited (Backward Citations)
US249752A
Cited
US888634A
Cited
US1792049A
Cited
US2207290A
Cited
US2380776A
Cited
US2764034A
Cited
US2842976A
Cited
US3011393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |