Patent US2635634A successfully refreshed from Google Patents.
US2635634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple valve
Assignee: Individual
•
Filing: 1945-12-07
•
Granted: 1953-04-21
•
Expires: 1965-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Adolph E Thurber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/38; F16K31/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1027818A
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US1250388A
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US1479947A
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US1571396A
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US1841629A
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US2130611A
Cited
US2107200A
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US2114858A
Cited
US2219761A
Cited
US2329001A
Cited
US2398997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |