US3024450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire detection system with ground fault compensating means
Assignee: North American Aviation Corp
•
Filing: 1960-04-25
•
Granted: 1962-03-06
•
Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:27
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/07; A62C3/08; G; G08; G08B; G08B17/00; G08B17/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |