US2565564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping apparatus
Assignee: Joy Manufacturing Co
•
Filing: 1944-04-10
•
Granted: 1951-08-28
•
Expires: 1964-04-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Lamberton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:10
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/22; F04B49/24; F04B49/243; F04B39/00; F04B39/10; F04B39/102; F04B39/1033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US534813A
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US1698440A
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US2155257A
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US2161828A
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US2155236A
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US2241195A
Cited
US2250446A
Cited
US2334633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |