US2653054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex nozzle
Assignee: Motors Liquidation Co
•
Filing: 1949-12-14
•
Granted: 1953-09-22
•
Expires: 1969-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Purchas
- 👤 Orent Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:59
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/02; F02M2700/00; F02M2700/07; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US851358A
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US1089156A
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US1852033A
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US1656894A
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US1599414A
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US1747332A
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US1652011A
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US1873781A
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US2214459A
Cited
US2208032A
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US2284457A
Cited
GB579417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |