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Patent US3268928A successfully refreshed from Google Patents.
US3268928A
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US
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Method of producing a separable nut
Assignee: Hi Shear Corp
•
Filing: 1964-10-12
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Granted: 1966-08-30
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 William R Dickie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:23
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; F; F16; F16B; F16B31/00; F16B31/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T408/00; Y10T408/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2286336A
Cited
US2480966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |