Patent US2741518A successfully refreshed from Google Patents.
US2741518A
Expired / Lapsed
US
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Reciprocating pump piston and rod connection
Assignee: Individual
•
Filing: 1953-03-10
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Granted: 1956-04-10
•
Expires: 1973-03-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Leman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1806078A
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US1650877A
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US1813930A
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US1798123A
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US1927460A
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US2216577A
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US2298584A
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US2341803A
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US2473064A
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US2519144A
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US2656229A
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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) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |