Patent US3139836A successfully refreshed from Google Patents.
US3139836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary piston machine
Assignee: Kloeckner Humboldt Deutz AG
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Filing: 1963-03-04
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Granted: 1964-07-07
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Jungbluth Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:52
CPC Classifications
F; F02; F02B; F02B55/00; F02B55/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A ROTARY PISTON MACHINE WHICH INCLUDES A ROTOR AND AN OUTER BODY COMPRISING A HOUSING MEMBER AND A BUSHING ARRANGED WITHIN SAID HOUSING MEMBER AND PROVIDED WITH AN INNER SURFACE FOR COOPERATION WITH SAID ROTOR, SAID BUSHING HAVING PASSAGE MEANS THEREIN FOR THE PASSAGE OF A FLUID MEDIUM THERETHROUGH, SAID HOUSING MEMBER BEING PROVIDED WITH A BORE, CONDUIT MEANS CONNECTED TO SAID BUSHING AND CONFINING A CONDUIT COMMUNICATING WITH SAID PASSAGE MEANS, AND MANIFOLD MEANS MOUNTED ON AND CONNECTED TO SAID HOUSING MEMBER, SAID CONDUIT MEANS HAVING A PERIPHERAL PORTION SEALINGLY ENGAGING SAID BORE AND ALSO HAVING AN EXTENSION FREELY EXPANDABLY EXTENDING INTO AND ENGAGING SAID MANIFOLD MEANS.
Claim 2
Dependent Claim
108 words
A ROTARY PISTON MACHINE WHICH INCLUDES A ROTOR AND AN OUTER BODY COMPRISING A HOUSING MEMBER AND A BUSHING ARRANGED WITHIN SAID HOUSING MEMBER AND PROVIDED WITH AN INNER SURFACE FOR COOPERATION WITH SAID ROTOR, SAID BUSHING HAVING PASSAGE MEANS THEREIN FOR THE PASSAGE OF A FLUID MEDIUM THERETHROUGH, SAID HOUSING MEMBER BEING PROVIDED WITH A BORE, CONDUIT MEANS CONNECTED TO SAID BUSHING AND CONFINING A CONDUIT COMMUNICATING WITH SAID PASSAGE MEANS, AND MANIFOLD MEANS MOUNTED ON AND CONNECTED TO SAID HOUSING MEMBER, SAID CONDUIT MEANS HAVING A PERIPHERAL PORTION SEALINGLY ENGAGING SAID BORE AND ALSO HAVING AN EXTENSION FREELY EXPANDABLY EXTENDING INTO AND ENGAGING SAID MANIFOLD 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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |