Patent US3488651A successfully refreshed from Google Patents.
US3488651A
Expired / Lapsed
US
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Portable alarm
Assignee: Individual
•
Filing: 1966-12-08
•
Granted: 1970-01-06
•
Expires: 1986-12-08
Abstract
No abstract record available.
Inventors
- 👤 Morris Brenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:17
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US828834A
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US2486234A
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US2782276A
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US2791763A
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US3121864A
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US3248723A
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US3345627A
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US3327300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |