US2647798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle assembly for fire-fighting equipment
Assignee: Individual
•
Filing: 1951-08-14
•
Granted: 1953-08-04
•
Expires: 1971-08-14
Abstract
No abstract record available.
Inventors
- 👤 Edward D Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:33
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/22; F16L37/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US275731A
Cited
US1644290A
Cited
US1088847A
Cited
US1752193A
Cited
US2334395A
Cited
US2494067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |