Patent US2947160A successfully refreshed from Google Patents.
US2947160A
Expired / Lapsed
US
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Bolt relocking device for safes
Assignee: Unisys Corp
•
Filing: 1955-11-07
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Granted: 1960-08-02
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Carl F Wolters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:53
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0075; E05B65/0082; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T70/00; Y10T70/20; Y10T70/70; Y10T70/7153; Y10T70/7424; Y10T70/7441; Y10T70/7915; Y10T70/7927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US685188A
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US812871A
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US1607068A
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US1675085A
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US1800662A
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DE587940C
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US2004434A
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US2472651A
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US2676480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |