US2635846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid valve construction
Assignee: Maytag Corp
•
Filing: 1949-01-12
•
Granted: 1953-04-21
•
Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:30
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1785259A
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US1861420A
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US2148850A
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US2107200A
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US2217880A
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US2445505A
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US2417242A
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US2408006A
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US2431437A
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US2482198A
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 |