US3058527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguishing apparatus
Assignee: Specialties Development Corp
•
Filing: 1958-11-26
•
Granted: 1962-10-16
•
Expires: 1978-11-26
Abstract
No abstract record available.
Inventors
- 👤 David H Dennis
- 👤 Riuli Arduino
- 👤 George I Schrank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:34
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA539097A
Cited
US2120297A
Cited
US2644313A
Cited
US2692066A
Cited
US2738095A
Cited
US2822961A
Cited
US2785759A
Cited
US2785760A
Cited
US2819763A
Cited
US2778435A
Cited
US2895556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |