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Patent US2698630A successfully refreshed from Google Patents.
US2698630A
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US
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Valve
Assignee: Motors Liquidation Co
•
Filing: 1951-04-19
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Granted: 1955-01-04
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Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 Marshall D Mcshurley
- 👤 Donald G Mahoney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:52
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4643; Y10T137/5762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US919508A
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US1128982A
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US1654298A
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US1511760A
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US1616287A
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US2090277A
Cited
US2068369A
Cited
US2469642A
Cited
US2510513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |