Patent US3280657A successfully refreshed from Google Patents.
US3280657A
Expired / Lapsed
US
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Transmission apparatus
Assignee: Borg Warner Corp
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Filing: 1963-04-22
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Granted: 1966-10-25
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 John W Holdeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:24
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H45/00; F16H2045/005; Y; Y10; Y10S; Y10S74/00; Y10S74/02; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
TRANSMISSION APPARATUS COMPRISING: ROTATABLY MOUNTED IMPELLER AND TURBINE ELEMENTS FORMING A HYDRAULIC CIRCUIT, SAID IMPELLER ELEMENT BEING ADAPTED TO CIRCULATE FLUID UNDER PRESSURE AROUND SAID HYDRAULIC CIRCUIT; A ROTATABLY MOUNTED DRIVEN MEMBER ADAPTED TO BE DRIVEN BY SAID TURBINE ELEMENT; CLUTCH MEANS INCLUDING DRIVING AND DRIVEN CLUTCH ELEMENTS OPERATIVELY ASSOCIATED WITH SAID TURBINE AND DRIVEN MEMBER RESPECTIVELY, SAID CLUTCH BEING ADAPTED TO RELEASABLY CLUTCH SAID TURBINE ELEMENT TO SAID DRIVEN MEMBER; CLUTCH ACTUATING MEANS OPERATIVELY ASSOCIATED WITH SAID CLUTCH MEANS; FIRST FLUID PASSAGE MEANS FOR SUPPLYING FLUID UNDER PRESSURE FROM SAID HYDRAULIC CIRCUIT TO SAID CLUTCH ACTUATING MEANS TO ENGAGE SAID CLUTCH MEANS; SECOND FLUID PASSAGE MEANS FOR SUPPLYING FLUID UNDER PRESSURE TO SAID CLUTCH ACTUATING MEANS TO DISENGAGE SAID CLUTCH MEANS; AND MEANS FOR PROVIDING LIMITED FLOW FROM SAID FIRST FLUID PASSAGE MEANS TO SECOND FLUID PASSAGE MEANS AND FOR PREVENTING FLOW FROM SAID SECOND FLUID PASSAGE MEANS TO SAID FIRST FLUID PASSAGE MEANS.
Claim 2
Dependent Claim
155 words
TRANSMISSION APPARATUS COMPRISING: ROTATABLY MOUNTED IMPELLER AND TURBINE ELEMENTS FORMING A HYDRAULIC CIRCUIT, SAID IMPELLER ELEMENT BEING ADAPTED TO CIRCULATE FLUID UNDER PRESSURE AROUND SAID HYDRAULIC CIRCUIT; A ROTATABLY MOUNTED DRIVEN MEMBER ADAPTED TO BE DRIVEN BY SAID TURBINE ELEMENT; CLUTCH MEANS INCLUDING DRIVING AND DRIVEN CLUTCH ELEMENTS OPERATIVELY ASSOCIATED WITH SAID TURBINE AND DRIVEN MEMBER RESPECTIVELY, SAID CLUTCH BEING ADAPTED TO RELEASABLY CLUTCH SAID TURBINE ELEMENT TO SAID DRIVEN MEMBER; CLUTCH ACTUATING MEANS OPERATIVELY ASSOCIATED WITH SAID CLUTCH MEANS; FIRST FLUID PASSAGE MEANS FOR SUPPLYING FLUID UNDER PRESSURE FROM SAID HYDRAULIC CIRCUIT TO SAID CLUTCH ACTUATING MEANS TO ENGAGE SAID CLUTCH MEANS; SECOND FLUID PASSAGE MEANS FOR SUPPLYING FLUID UNDER PRESSURE TO SAID CLUTCH ACTUATING MEANS TO DISENGAGE SAID CLUTCH MEANS; AND MEANS FOR PROVIDING LIMITED FLOW FROM SAID FIRST FLUID PASSAGE MEANS TO SECOND FLUID PASSAGE MEANS AND FOR PREVENTING FLOW FROM SAID SECOND FLUID PASSAGE MEANS TO SAID FIRST FLUID PASSAGE MEANS.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |