US3148716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact tool with chip-resistant striking face
Assignee: Vanghan & Bushnell Manufacturing Co
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Filing: 1962-04-02
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Granted: 1964-09-15
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard A Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:40
CPC Classifications
B; B25; B25D; B25D1/00; B25D1/12; B25D1/02; B25D2222/00; B25D2222/21; B25D2222/42; B25D2250/00; B25D2250/085; B25D2250/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |