US3293935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission control
Assignee: —
•
Filing: —
•
Granted: 1966-12-27
•
Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:00
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/04; F16H61/06; F16H61/065; F16H61/0021; F16H61/061; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A TRANSMISSION, (A) A FLUID OPERATED DRIVE ENGAGING DEVICE, (D) A SOURCE OF FLUID UNDER PRESSURE, (C) SUPPLY LINE MEANS CONNECTED TO SAID SOURCE, FIRST VALVE MEANS FOR REGULATING THE PRESSURE IN SAID SUPPLY LINE MEANS IN A HIGH PRESSURE RANGE, (D) MEANS INCLUDING SELECTOR VALVE MEANS SELECTIVELY OPERATIVELY CONNECTING SAID SUPPLY LINE MEANS TO SAID DEVICE, (E) AND SECOND VALVE MEANS SELECTIVELY OPERATIVELY CONTROLLED BY SAID SELECTOR VALVE MEANS EFFECTIVE TO INTERRUPT THE PRESSURE REGULATION BY SAID FIRST VALVE MEANS AND TO REGULATE THE PRESSURE IN SAID SUPPLY LINE MEANS IN A LOW PRESSURE RANGE WHEN SAID SUPPLY LINE MEANS AND DEVICE ARE DISCONNECTED, AND UPON CONNECTION TO GRADUALLY INCREASE THE PRESSURE UNTIL
Claim 2
Dependent Claim
115 words
IN A TRANSMISSION, (A) A FLUID OPERATED DRIVE ENGAGING DEVICE, (D) A SOURCE OF FLUID UNDER PRESSURE, (C) SUPPLY LINE MEANS CONNECTED TO SAID SOURCE, FIRST VALVE MEANS FOR REGULATING THE PRESSURE IN SAID SUPPLY LINE MEANS IN A HIGH PRESSURE RANGE, (D) MEANS INCLUDING SELECTOR VALVE MEANS SELECTIVELY OPERATIVELY CONNECTING SAID SUPPLY LINE MEANS TO SAID DEVICE, (E) AND SECOND VALVE MEANS SELECTIVELY OPERATIVELY CONTROLLED BY SAID SELECTOR VALVE MEANS EFFECTIVE TO INTERRUPT THE PRESSURE REGULATION BY SAID FIRST VALVE MEANS AND TO REGULATE THE PRESSURE IN SAID SUPPLY LINE MEANS IN A LOW PRESSURE RANGE WHEN SAID SUPPLY LINE MEANS AND DEVICE ARE DISCONNECTED, AND UPON CONNECTION TO GRADUALLY INCREASE THE PRESSURE UNTIL
References Cited (Backward Citations)
US3053116A
Cited
US3091980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |