US3053500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve apparatus
Assignee: UTE IND Inc
•
Filing: 1957-12-05
•
Granted: 1962-09-11
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Expires: 1977-12-05
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Atkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:51
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/102; F04B53/1022; F04B53/1025; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US898172A
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US1161460A
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US1095759A
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US1929310A
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US1990557A
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US1859739A
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US2093662A
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US2521314A
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DE918616C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |