US2806740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray nozzle
Assignee: Crane Co
•
Filing: 1955-04-13
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Granted: 1957-09-17
•
Expires: 1975-04-13
Abstract
No abstract record available.
Inventors
- 👤 Edward A Fredrickson
- 👤 Harold W Ashby
- 👤 August E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:46
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3468; B05B1/3473; B05B1/30; B05B1/3006; B05B1/3421; B05B1/3431; B05B1/3447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US441048A
Cited
US664067A
Cited
US1146557A
Cited
US2572606A
Cited
FR968126A
Cited
US2629376A
Cited
US2643915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |