US2674893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet jack
Assignee: Individual
•
Filing: 1950-09-16
•
Granted: 1954-04-13
•
Expires: 1970-09-16
Abstract
No abstract record available.
Inventors
- 👤 Orlow Stephen De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:36
CPC Classifications
B; B66; B66F; B66F1/00; B66F1/02; B66F1/04; B66F1/06; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1104328A
Cited
US1239941A
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US2179577A
Cited
US2249050A
Cited
US2193424A
Cited
US2450596A
Cited
US2528011A
Cited
US2463772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |