US2588164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically powered hydraulic pump
Assignee: Chicago Pneumatic Tool Co LLC
•
Filing: 1948-04-07
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Granted: 1952-03-04
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Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 James A Roberts
- 👤 Howard R Fischer
- 👤 Haem Marcel P D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:19
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/12; F04B9/123; F04B9/127; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1743968A
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US2042744A
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US2001190A
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US2134734A
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US2080695A
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US2324701A
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US2347379A
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US2433759A
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US2406747A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |