US2904877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of a needle valve and seat assembly
Assignee: ACF Industries Inc
•
Filing: 1953-10-05
•
Granted: 1959-09-22
•
Expires: 1973-10-05
Abstract
No abstract record available.
Inventors
- 👤 James L Edelen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:17
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; F02; F02M; F02M5/00; F02M5/12; F02M5/125; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49409; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB459662A
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US341652A
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US413216A
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US1566645A
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US668012A
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US927753A
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US1021681A
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US1390022A
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US1589243A
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US2066523A
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US2214271A
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US2621524A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |