US3407879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguishing system
Assignee: HARREL W O'REAR
•
Filing: 1966-06-17
•
Granted: 1968-10-29
•
Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Harrel W O'rear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:07
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE533203A
Cited
GB807523A
Cited
DE1119725B
Cited
US2933139A
Cited
GB888717A
Cited
US3251419A
Cited
US3283827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |