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US3379083A
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Machineable headed punch
Assignee: Oberg Manufacturing Co Inc
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Filing: 1965-11-19
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Granted: 1968-04-23
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Expires: 1985-11-19
Abstract
No abstract record available.
Inventors
- 👤 Burns Alfred Norman
- 👤 Vecchi John Calisto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:18
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F1/14; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9428; Y10T83/9457; Y10T83/9473; Y10T83/9476; Y10T83/9483; Y10T83/9486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197349A
Cited
US3149524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |