US2906555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tong apparatus
Assignee: AMERICAN FORGE AND Manufacturing Co
•
Filing: 1956-02-07
•
Granted: 1959-09-29
•
Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel B Heppenstall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:15
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/48; B66C1/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1807360A
Cited
US1855862A
Cited
US2390293A
Cited
US2497600A
Cited
US2536932A
Cited
US2630931A
Cited
US2683546A
Cited
US2675261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |