US2982949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable thermal alarm and signal system
Assignee: Individual
•
Filing: 1956-03-06
•
Granted: 1961-05-02
•
Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Albert W Pivetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:02
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1011175A
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US2115027A
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US2107525A
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US2450450A
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US2439331A
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US2456038A
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US2550673A
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US2611016A
Cited
US2663860A
Cited
US2741099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |