US2436034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump with rotary casing
Assignee: ECONOMY PUMPS Inc
•
Filing: 1942-11-13
•
Granted: 1948-02-17
•
Expires: 1962-11-13
Abstract
No abstract record available.
Inventors
- 👤 Buchler Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:41
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/06; F16D33/16; F04; F04D; F04D13/00; F04D13/02; F04D13/021; F04D13/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1441589A
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FR531372A
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US1859607A
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GB374638A
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US1947658A
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US2092092A
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US2178864A
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GB492854A
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US2220321A
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US2265806A
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US2376071A
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US2299049A
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US2281161A
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US2343786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |