US2585773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Campbell Hausfeld LLC
•
Filing: 1949-05-05
•
Granted: 1952-02-12
•
Expires: 1969-05-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence F Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:25
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7938; Y10T137/794; Y10T137/8085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1238334A
Cited
US1275697A
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US1483436A
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US1604487A
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US2090688A
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US2223994A
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US2163925A
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US2241758A
Cited
US2430427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |