US3448808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguishing system and control apparatus
Assignee: Kidde Inc
•
Filing: 1967-03-21
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Granted: 1969-06-10
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Expires: 1987-03-21
Abstract
No abstract record available.
Inventors
- 👤 William Scofield
- 👤 Walter J Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:12
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/006; F; F24; F24C; F24C15/00; F24C15/20; F24C15/2021
Claims Analysis
Total Claims: 0
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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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |