US3405522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor control circuit
Assignee: Toyoda Koki KK
•
Filing: 1965-11-23
•
Granted: 1968-10-15
•
Expires: 1985-11-23
Abstract
No abstract record available.
Inventors
- 👤 Tomita Tamaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
F; F15; F15B; F15B3/00; F01; F01L; F01L25/00; F01L25/08; F04; F04B; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/117; F04B9/1172; Y; Y10; Y10S; Y10S60/00; Y10S60/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2274224A
Cited
US2528131A
Cited
US2499563A
Cited
US2813398A
Cited
US2938347A
Cited
US3022738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |