US2615682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated slidable jaw pipe tong
Assignee: Standard Oil Development Co
•
Filing: 1951-03-24
•
Granted: 1952-10-28
•
Expires: 1971-03-24
Abstract
No abstract record available.
Inventors
- 👤 Albert L Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:35
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44316; Y10T24/44496; Y10T24/44504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US326380A
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US1342870A
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US1463648A
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US1837689A
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US1845389A
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US1837645A
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US2305624A
Cited
US2576203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |