US2883880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction gearing
Assignee: Individual
•
Filing: 1953-01-19
•
Granted: 1959-04-28
•
Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Merkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:32
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1674141A
Cited
US1804193A
Cited
US1974974A
Cited
US2073348A
Cited
US2069571A
Cited
US2155815A
Cited
US2351921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |