Patent US2841252A successfully refreshed from Google Patents.
US2841252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jail locking devices and the like
Assignee: Individual
•
Filing: 1953-10-15
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Granted: 1958-07-01
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Expires: 1973-10-15
Abstract
No abstract record available.
Inventors
- 👤 Adam Folger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:57
CPC Classifications
E; E05; E05F; E05F17/00; E05F17/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US845731A
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US1361221A
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US1649797A
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US2009342A
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US2003399A
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US2148521A
Cited
US2184774A
Cited
US2262674A
Cited
US2288666A
Cited
US2686577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |