US3069922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprocket with replaceable teeth
Assignee: Individual
•
Filing: 1961-07-10
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Granted: 1962-12-25
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Walter B Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:29
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/12; B62D55/135; F; F16; F16H; F16H55/00; F16H55/02; F16H55/30; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/1993
Claims Analysis
Total Claims: 0
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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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |