US2956549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual piston cylinder
Assignee: Motors Liquidation Co
•
Filing: 1955-07-05
•
Granted: 1960-10-18
•
Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 Harry C Malpass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:05
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/028; F15B11/036; F15B11/0365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US825866A
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US845144A
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US1449541A
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GB480127A
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US2354841A
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US2282254A
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US2383082A
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US2393524A
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US2546596A
Cited
US2642165A
Cited
US2661599A
Cited
US2743703A
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US2739571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |