US3273384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for testing automatic transmissions
Assignee: Enerpac Tool Group Corp
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Filing: 1963-03-07
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Granted: 1966-09-20
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 Lawrence L Flaugher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:55
CPC Classifications
G; G01; G01M; G01M13/00; G01M13/02; F; F16; F16H; F16H47/00; F16H47/06; F16H57/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
APPARATUS CONNECTABLE TO AUTOMOTIVE VEHICLE PARTS FOR IN SITU TESTING OF A HYDRAULIC FLUID AUTOMATIC TRANSMISSION WHILE SAID TRANSMISSION IS BEING OPERATED THROUGH PREDETERMINED CYCLES OF OPERATION: (C) SAID TRANSMISSION HAVING INPUT AND OUTPUT SHAFTS; (B) SAID TESTING APPARATUS COMPRISING FIRST MEANS FOR MEASURING THE SPEED OF SAID INPUT AND THE SPEED OF SAID OUTPUT SHAFT; (C) SECOND MEANS FOR MEASURING HYDRAULIC FLUID PRESSURE; AND, (D) RECORDING MEANS CONNECTABLE TO SAID FIRST AND SECOND MEASURING MEANS FOR PRODUCING CONTINUOUS LINE GRAPHS, REPRESENTATIVE OF SAID SPEEDS AND OF SAID HYDRAULIC FLUID PRESSURE, PLOTTED AGAINST TIME FOR SAID PREDETERMINED CYCLES OF OPERATION OF SAID TRANSMISSIO.
Claim 2
Dependent Claim
103 words
APPARATUS CONNECTABLE TO AUTOMOTIVE VEHICLE PARTS FOR IN SITU TESTING OF A HYDRAULIC FLUID AUTOMATIC TRANSMISSION WHILE SAID TRANSMISSION IS BEING OPERATED THROUGH PREDETERMINED CYCLES OF OPERATION: (C) SAID TRANSMISSION HAVING INPUT AND OUTPUT SHAFTS; (B) SAID TESTING APPARATUS COMPRISING FIRST MEANS FOR MEASURING THE SPEED OF SAID INPUT AND THE SPEED OF SAID OUTPUT SHAFT; (C) SECOND MEANS FOR MEASURING HYDRAULIC FLUID PRESSURE; AND, (D) RECORDING MEANS CONNECTABLE TO SAID FIRST AND SECOND MEASURING MEANS FOR PRODUCING CONTINUOUS LINE GRAPHS, REPRESENTATIVE OF SAID SPEEDS AND OF SAID HYDRAULIC FLUID PRESSURE, PLOTTED AGAINST TIME FOR SAID PREDETERMINED CYCLES OF OPERATION OF SAID TRANSMISSIO.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |