US2665554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power control system
Assignee: Borg Warner Corp
•
Filing: 1948-06-19
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Granted: 1954-01-12
•
Expires: 1968-06-19
Abstract
No abstract record available.
Inventors
- 👤 Edward A Rockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:39
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/022; B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/141; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/20507; F15B2211/20515; F15B2211/20523; F15B2211/21; F15B2211/212; F15B2211/25; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/30525; F15B2211/3056; F15B2211/30565; F15B2211/315; F15B2211/31523; F15B2211/31529; F15B2211/31552; F15B2211/31558; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/329; F15B2211/35; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/70; F15B2211/775
Claims Analysis
Total Claims: 0
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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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |