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Patent US3397601A successfully refreshed from Google Patents.
US3397601A
Expired / Lapsed
US
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Unitized brake for a fastenersetting driver
Assignee: Hi Shear Corp
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Filing: 1966-04-18
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Granted: 1968-08-20
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Batten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:05
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |