US2828610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure boosted hydraulic motor control system
Assignee: Individual
•
Filing: 1954-05-05
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Granted: 1958-04-01
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Expires: 1974-05-05
Abstract
No abstract record available.
Inventors
- 👤 Bruehl Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:25
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/3056; F15B2211/30565; F15B2211/31; F15B2211/3105; F15B2211/315; F15B2211/31505; F15B2211/31511; F15B2211/31552; F15B2211/31558; F15B2211/365; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/7054; F15B2211/76; F15B2211/80; F15B2211/85; F15B2211/851; Y; Y10; Y10S; Y10S60/00; Y10S60/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |