Patent US3513466A successfully refreshed from Google Patents.
US3513466A
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US
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Protective alarm system
Assignee: ROGER H ISAACS
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Filing: 1967-01-30
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Granted: 1970-05-19
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Roger H Isaacs
- 👤 Edmund Schneider
- 👤 Wallace S Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:25
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/10; B60R25/1003; G; G08; G08B; G08B13/00; G08B13/02; G08B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3074049A
Cited
US2964733A
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US3024452A
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US3058092A
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US3200393A
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US3422398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |