Patent US2660440A successfully refreshed from Google Patents.
US2660440A
Expired / Lapsed
US
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Compensating hydraulic jaw
Assignee: Individual
•
Filing: 1950-09-26
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Granted: 1953-11-24
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Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Herman C Kurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:45
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16287; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2597280A
Cited
US1825677A
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US2188095A
Cited
US2273845A
Cited
US2323091A
Cited
US2451705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |