US2542526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle valve
Assignee: Worthington Pump and Machinery Corp
•
Filing: 1946-04-06
•
Granted: 1951-02-20
•
Expires: 1966-04-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Holveck
- 👤 Arthur G Rockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:40
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B1/3066; B05B1/306; F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/38; F16K31/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US477824A
Cited
US597842A
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US1677781A
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US1046236A
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US1147639A
Cited
US1203607A
Cited
US1504201A
Cited
US2329001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |