US2596151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping system
Assignee: J H RAINES
•
Filing: 1948-02-27
•
Granted: 1952-05-13
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Clifford C Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:17
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D7/04; F04D7/045; E; E03; E03F; E03F7/00; E03F7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1437007A
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US1343471A
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US1388511A
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US1437008A
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US1601727A
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US1561744A
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US1579171A
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US1661202A
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US1836269A
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US2022481A
Cited
US2235336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |