US3285188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic gear motor or hydraulic gear pump
Assignee: Shimadzu Corp
•
Filing: 1964-06-15
•
Granted: 1966-11-15
•
Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Kita Yasuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:28
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
HYDRAULIC GEAR MOTOR HAVING A PAIR OF MESHING GEARS AND A GEAR CASE WITH A RECESSION FOR RECEIVING SAID MESHING IN WHICH THE DELIVERY OPENING OF SAID GEAR GEAR RECEIVING RECESSION IS LIMITED TO THE EXTENT OF THE OPENING OF A TOOTH SPACE PARTLY CLOSED BY A TOOTH WHICH IS ABOUT TO ADVANCE INTO IT, SAID GEAR RECESSION BEING FURTHER RECESSED SO AS TO CONTACT THE PERIPHERIES OF THE GEARS ONLY JUST AROUND THE ADJACENT PART OF SAID DELIVERY OPENING.
Claim 2
Dependent Claim
80 words
HYDRAULIC GEAR MOTOR HAVING A PAIR OF MESHING GEARS AND A GEAR CASE WITH A RECESSION FOR RECEIVING SAID MESHING IN WHICH THE DELIVERY OPENING OF SAID GEAR GEAR RECEIVING RECESSION IS LIMITED TO THE EXTENT OF THE OPENING OF A TOOTH SPACE PARTLY CLOSED BY A TOOTH WHICH IS ABOUT TO ADVANCE INTO IT, SAID GEAR RECESSION BEING FURTHER RECESSED SO AS TO CONTACT THE PERIPHERIES OF THE GEARS ONLY JUST AROUND THE ADJACENT PART OF SAID DELIVERY OPENING.
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |