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Patent US2487553A successfully refreshed from Google Patents.
US2487553A
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Rolled tooth ratchet bar
Assignee: Individual
•
Filing: 1946-03-08
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Granted: 1949-11-08
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Expires: 1966-03-08
Abstract
No abstract record available.
Inventors
- 👤 Alphonse W Hunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:49
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/26; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/19949; Y10T74/19963; Y10T74/21; Y10T74/2133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US162009A
Cited
GB189403165A
Cited
US786706A
Cited
US836959A
Cited
US987385A
Cited
US963206A
Cited
US1281028A
Cited
US1908187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |