US2930271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch and die assembly having tool positioning means
Assignee: Individual
•
Filing: 1956-10-24
•
Granted: 1960-03-29
•
Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Sr Lawrence V Whistler
- 👤 Jr Lawrence V Whistler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/883; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/944; Y10T83/9457; Y10T83/9473; Y10T83/9476; Y10T83/9483; Y10T83/9486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1986036A
Cited
US1939478A
Cited
US2017247A
Cited
US2275706A
Cited
US2381476A
Cited
US2649157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |