Patent US4277288A successfully refreshed from Google Patents.
Patent US2214271A successfully refreshed from Google Patents.
US2214271A
Expired / Lapsed
US
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Valve actuation
Assignee: Florence Pipe Foundry & Machin
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Filing: 1939-04-13
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Granted: 1940-09-10
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Expires: 1959-04-13
Abstract
No abstract record available.
Inventors
- 👤 Louis A Camerota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:59
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/168; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87048; Y10T137/87056; Y10T137/87064; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936; Y10T74/20; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-09-10 | 1944-03-11 | 1944-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-10 | 1948-03-11 | 1948-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-10 | 1952-03-11 | 1952-09-10 | $7700.00 | Window Closed / Lapsed |