Patent US3465634A successfully refreshed from Google Patents.
US3465634A
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US
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Punch
Assignee: GT Schjeldahl Co
•
Filing: 1967-02-20
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Granted: 1969-09-09
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Blais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:10
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F1/14; B26D; B26D7/00; B26D7/18; B26D7/1818; B26F3/00; B26F3/002; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2122; Y10T83/2133; Y10T83/929; Y10T83/9372; Y10T83/9408; Y10T83/9411; Y10T83/9423; Y10T83/9428; Y10T83/9449
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2501682A
Cited
US2789640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |