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US3473356A
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US
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Barrel-operated lock
Assignee: Individual
•
Filing: 1967-06-28
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Granted: 1969-10-21
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Expires: 1987-06-28
Abstract
No abstract record available.
Inventors
- 👤 Armas Kalervo Niilola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:35
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/0017; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7576; Y10T70/7655; Y10T70/7667; Y10T70/7706; Y10T70/7712; Y10T70/7915; Y10T70/7921; Y10T70/7932; Y10T70/7944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2097188A
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Cited
US2729091A
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US2690070A
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US3287944A
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US3345838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |