US2932995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holding apparatus
Assignee: Individual
•
Filing: 1957-11-25
•
Granted: 1960-04-19
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Allen K Durfee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:36
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; B23Q3/104; B23B; B23B47/00; B23B47/28; B23B47/281; B23B2247/00; B23B2247/12; B23B2247/18; Y; Y10; Y10S; Y10S269/00; Y10S269/902; Y10T; Y10T408/00; Y10T408/55; Y10T408/567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB326021A
Cited
US2164455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |