Patent US2622609A successfully refreshed from Google Patents.
US2622609A
Expired / Lapsed
US
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Fluid control apparatus
Assignee: Berger Brothers Co
•
Filing: 1945-10-24
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Granted: 1952-12-23
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Expires: 1965-10-24
Abstract
No abstract record available.
Inventors
- 👤 Conrad G Moller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:43
CPC Classifications
B; B64; B64D; B64D10/00; A; A62; A62B; A62B17/00; A62B9/00; A62B9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US207832A
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US765561A
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US877003A
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US1114213A
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US1248650A
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FR673327A
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US1823668A
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US1844954A
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US2089144A
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US2163203A
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US2213663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |