Patent US2552264A successfully refreshed from Google Patents.
US2552264A
Expired / Lapsed
US
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Vapor separating pump
Assignee: Individual
•
Filing: 1949-02-25
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Granted: 1951-05-08
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Expires: 1969-02-25
Abstract
No abstract record available.
Inventors
- 👤 Edwards Miles Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:03
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/001; F04D9/002; F02; F02M; F02M37/00; F02M37/04; F02M37/08; F02M37/10; F02M37/20; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/8593; Y10T137/85954; Y10T137/85978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US790702A
Cited
US1780679A
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GB332465A
Cited
US2124681A
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US2461865A
Cited
US2463251A
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US2418221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |