Patent US2949185A successfully refreshed from Google Patents.
US2949185A
Expired / Lapsed
US
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Assignee: Master Lock Co LLC
•
Filing: 1958-05-19
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Granted: 1960-08-16
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Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Foote
- 👤 Nathan L Berkowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:00
CPC Classifications
G; G09; G09F; G09F5/00; G09F5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA539776A
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US791912A
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US1598857A
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US1873893A
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US2021070A
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US2229427A
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US2472532A
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US2854135A
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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) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |