US2654560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve with self-anchoring seal
Assignee: Maytag Corp
•
Filing: 1949-03-08
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Granted: 1953-10-06
•
Expires: 1969-03-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:50
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/02; F16K41/04; F16K41/043; F16K1/00; F16K1/32; F16K1/34; F16K1/46; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US486839A
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US1321673A
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US1662291A
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GB184911A
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US1586347A
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US1695536A
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US1913381A
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US2318236A
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US2403028A
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US2397269A
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US2403029A
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US2408006A
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US2414908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |