Patent US2464283A successfully refreshed from Google Patents.
US2464283A
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Hydraulic apparatus
Assignee: Denison Engineering Co
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Filing: 1944-07-19
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Granted: 1949-03-15
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Expires: 1964-07-19
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:18
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0416; F15B13/0417; F15B13/0418; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; B23Q5/268; F15B11/00; F15B11/02; F15B11/04; F15B11/05; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/315; F15B2211/3157; F15B2211/31576; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/325; F15B2211/326; F15B2211/365; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/515; F15B2211/5151; F15B2211/55; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/75; F15B2211/76; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87265; Y10T137/87917; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |