US3218797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting system
Assignee: New York Air Brake LLC
•
Filing: 1964-07-23
•
Granted: 1965-11-23
•
Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Lyston C Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:44
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26; F02C7/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A HYDRAULIC STARTING SYSTEM COMPRISING (A) A SOURCE OF HYDRAULIC FLUID UNDER PRESSURE; (B) A FIXED DISPLACMENT HYDRAULIC MOTOR; (C) A SUPPLY CONDUIT FOR LEADING FLUID FROM THE SOURCE TO THE MOTOR; AND (D) MEANS RESPONSIVE TO THE RATE OF FLOW THROUGH THE SUPPLY CONDUIT FOR TERMINATING THE SUPPLY OF FLUID TO THE MOTOR WHEN THE RATE OF FLOW EXCEDS A PREDETERMINED VALUE.
Claim 2
Dependent Claim
63 words
A HYDRAULIC STARTING SYSTEM COMPRISING (A) A SOURCE OF HYDRAULIC FLUID UNDER PRESSURE; (B) A FIXED DISPLACMENT HYDRAULIC MOTOR; (C) A SUPPLY CONDUIT FOR LEADING FLUID FROM THE SOURCE TO THE MOTOR; AND (D) MEANS RESPONSIVE TO THE RATE OF FLOW THROUGH THE SUPPLY CONDUIT FOR TERMINATING THE SUPPLY OF FLUID TO THE MOTOR WHEN THE RATE OF FLOW EXCEDS A PREDETERMINED VALUE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |