US2986422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate lifting clamp
Assignee: Individual
•
Filing: 1959-08-12
•
Granted: 1961-05-30
•
Expires: 1979-08-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Renfroc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:19
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/48; Y; Y10; Y10S; Y10S294/00; Y10S294/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1221400A
Cited
US2284006A
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US2347922A
Cited
US2347361A
Cited
US2360602A
Cited
US2387408A
Cited
US2461394A
Cited
US2446610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |