US2934752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple warning system with single reset switch
Assignee: RADAR RELAY Inc
•
Filing: 1956-10-22
•
Granted: 1960-04-26
•
Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 William C Arrasmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:41
CPC Classifications
G; G08; G08B; G08B25/00; G08B5/00; G08B5/22; G08B5/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1989237A
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US1963722A
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US2168805A
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US2495531A
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US2493548A
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US2469274A
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US2565323A
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US2673914A
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US2709250A
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US2730704A
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US2769970A
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US2839741A
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US2832068A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |