Patent US3147735A successfully refreshed from Google Patents.
US3147735A
Expired / Lapsed
US
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Burglar alarm
Assignee: Individual
•
Filing: 1962-08-29
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Granted: 1964-09-08
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Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Harold P Landis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US275222A
Cited
US500329A
Cited
US773165A
Cited
US1046080A
Cited
US2430850A
Cited
US2611334A
Cited
US2659333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |