US2701874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglar alarm system
Assignee: Individual
•
Filing: 1950-01-23
•
Granted: 1955-02-08
•
Expires: 1970-01-23
Abstract
No abstract record available.
Inventors
- 👤 Harold A Mears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:56
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1158146A
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US1223789A
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US1492345A
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US1709097A
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US1881832A
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US1840637A
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US1920742A
Cited
US2187507A
Cited
US2243804A
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US2346171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |