US2628490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button combination lock
Assignee: Individual
•
Filing: 1947-02-11
•
Granted: 1953-02-17
•
Expires: 1967-02-11
Abstract
No abstract record available.
Inventors
- 👤 Klein Markus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:41
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/16; E05B37/166; E05B67/00; E05B67/06; E05B67/22; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/417; Y10T70/422; Y10T70/424; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5518; Y10T70/5531; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7215; Y10T70/7226; Y10T70/7311
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US502307A
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US534534A
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US599565A
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US651347A
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US1173348A
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US1686632A
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US1792949A
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US2132201A
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FR876339A
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US2346513A
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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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |