Patent US2882971A successfully refreshed from Google Patents.
US2882971A
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Punch construction and guide therefor
Assignee: GEORGE F WALES
•
Filing: 1956-09-20
•
Granted: 1959-04-21
•
Expires: 1976-09-20
Abstract
No abstract record available.
Inventors
- 👤 Bennett James Thomas
- 👤 Arthur K Schott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:57
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/869; Y10T83/8776; Y10T83/8785
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |