US3393542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cylinder lock
Assignee: 777 Lock & Engineering Corp
•
Filing: 1965-05-28
•
Granted: 1968-07-23
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Crepinsek Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:29
CPC Classifications
E; E05; E05B; E05B27/00; E05B19/00; E05B19/0017; E05B19/0023; E05B19/0041; E05B19/0052; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7565; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7605; Y10T70/7667; Y10T70/7684; Y10T70/7689; Y10T70/7701; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7859; Y10T70/7864; Y10T70/7915; Y10T70/7932; Y10T70/7944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US457753A
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FR1073320A
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GB421715A
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US2166690A
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US2158501A
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US2555316A
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CH260517A
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DE802222C
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GB763028A
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CH344637A
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CH372947A
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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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |