US2985481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable opening tongs
Assignee: Heppenstall Co
•
Filing: 1957-05-29
•
Granted: 1961-05-23
•
Expires: 1977-05-29
Abstract
No abstract record available.
Inventors
- 👤 Daniel L Janoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:41
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US482861A
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US505065A
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US505067A
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US549321A
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US852897A
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US846837A
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US890163A
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US1439245A
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DE546853C
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US2362268A
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US2573997A
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US2445228A
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FR1098910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |