Patent US2527420A successfully refreshed from Google Patents.
US2527420A
Expired / Lapsed
US
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Intermittently held lever actuated stem
Assignee: Individual
•
Filing: 1947-04-19
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Granted: 1950-10-24
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Expires: 1967-04-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Henwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:48
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/12; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/1565; Y10T74/1576
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1296870A
Cited
CH82834A
Cited
US2057343A
Cited
GB486385A
Cited
US2265526A
Cited
US2323421A
Cited
US2363683A
Cited
US2431299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |