Patent US2954800A successfully refreshed from Google Patents.
US2954800A
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US
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Hydraulic system
Assignee: CORSON BROS Inc
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Filing: 1960-01-04
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Granted: 1960-10-04
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Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 William G Searles
- 👤 Preston M Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:46
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/3056; F15B2211/30565; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/329; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |