US3044050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire detection system
Assignee: McGraw Edison Co
•
Filing: 1959-08-17
•
Granted: 1962-07-10
•
Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 Andre T Abromaitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:46
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/07; A62C3/08; G; G08; G08B; G08B17/00; G08B17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1977121A
Cited
US2028653A
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US2059510A
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US2740874A
Cited
US2781505A
Cited
US2927309A
Cited
US2737642A
Cited
US2764659A
Cited
US2906928A
Cited
US2871466A
Cited
US2901740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |