US3004443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable take-up mechanism
Assignee: Individual
•
Filing: 1960-01-11
•
Granted: 1961-10-17
•
Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Gerrans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:47
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18096; Y10T74/19; Y10T74/19642; Y10T74/1967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319122A
Cited
US674363A
Cited
US1803186A
Cited
US1869888A
Cited
US2035096A
Cited
US2270000A
Cited
US2386175A
Cited
US2747464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |