US2429267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray nozzle
Assignee: Westinghouse Electric Corp
•
Filing: 1944-07-07
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Granted: 1947-10-21
•
Expires: 1964-07-07
Abstract
No abstract record available.
Inventors
- 👤 Charles R Keep
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:39
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3478; B05B1/3421; B05B1/3426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US580151A
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US1163591A
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US1029909A
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US1186241A
Cited
US1430832A
Cited
US1390048A
Cited
US2161016A
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US2257691A
Cited
US2247897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |