Patent US2516449A successfully refreshed from Google Patents.
US2516449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movement controlling valve means for follow-up pressure fluid servomotors and the like
Assignee: Taylor Winfield Corp
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Filing: 1944-09-15
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Granted: 1950-07-25
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Expires: 1964-09-15
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:04
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/04; B23K11/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US745520A
Cited
US930225A
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US1075733A
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FR401937A
Cited
GB190929056A
Cited
US1563988A
Cited
US2055530A
Cited
US2209418A
Cited
US2299430A
Cited
US2411270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |