US2726897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire fighting spray nozzle
Assignee: Individual
•
Filing: 1952-03-26
•
Granted: 1955-12-13
•
Expires: 1972-03-26
Abstract
No abstract record available.
Inventors
- 👤 Harry B Dupont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:10
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/14; A; A62; A62C; A62C31/00; A62C31/02; A62C31/05; B05B1/1421; B05B1/1423; B05B1/1424; B05B1/26; B05B1/262; B05B1/267
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US137095A
Cited
DE405337C
Cited
DE555736C
Cited
US2310798A
Cited
US2436335A
Cited
US2433463A
Cited
US2448792A
Cited
US2657955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |