Patent US6314451B1 successfully refreshed from Google Patents.
US2452292A
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Pressure intensifier
Assignee: Old Carco LLC
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Filing: 1944-08-25
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Granted: 1948-10-26
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Expires: 1964-08-25
Abstract
No abstract record available.
Inventors
- 👤 Walter P Cousino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:23
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/028; F15B11/032; F15B11/0325; B; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/67; B29C45/6707; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/214; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41527; F15B2211/42; F15B2211/428; F15B2211/45; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/775; Y; Y10; Y10S; Y10S33/00; Y10S33/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1970999A
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US2191882A
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US2272360A
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US2300136A
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US2351872A
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US2357632A
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US2381930A
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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) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |