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US2979812A
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Method of forming cylinder lock housing of strip material
Assignee: Individual
•
Filing: 1958-06-23
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Granted: 1961-04-18
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:43
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/0003; E05B27/0014; B; B21; B21D; B21D53/00; B21D53/38; B21D53/42; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T29/49908; Y10T29/49915; Y10T29/49922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1496894A
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US2057897A
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US2204373A
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US2238702A
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US2433631A
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US2454145A
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US2567785A
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US2756484A
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US2713195A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |