Patent US1535406A successfully refreshed from Google Patents.
US1535406A
Expired / Lapsed
US
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Needle-valve retainer
Assignee: Individual
•
Filing: 1923-01-29
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Granted: 1925-04-28
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Expires: 1943-01-29
Abstract
No abstract record available.
Inventors
- 👤 George A Eynon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:59
CPC Classifications
F; F16; F16K; F16K35/00; F16K35/04; Y; Y10; Y10S; Y10S137/00; Y10S137/903; Y10S251/00; Y10S251/903; Y10S411/00; Y10S411/924; Y10S411/943; Y10S411/955; Y10S411/965; Y10S411/97; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20576; Y10T74/20732; Y10T74/20834; Y10T74/2084
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) | 1928-04-27 | 1928-10-27 | 1929-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-27 | 1932-10-27 | 1933-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-27 | 1936-10-27 | 1937-04-28 | $7700.00 | Window Closed / Lapsed |