Patent US3193052A successfully refreshed from Google Patents.
US3193052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor for rotary piston machines
Assignee: Goetzewerke Friedrich Goetze AG
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Filing: 1962-08-13
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Granted: 1965-07-06
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Baumler Hermann
- 👤 Lorcher Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
F; F02; F02B; F02B55/00; F02B55/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A ROTOR FOR ROTATION WITHIN A ROTARY PISTON MACHINE; SAID ROTOR HAVING AXIALLY-SPACED END WALL SURFACES AND A PERIPHERAL WALL SURFACE INTERCONNECTING SAID END WALL SURFACES AND HAVING A JOURNAL RECEIVING BORE THERETHROUGH, EACH OF SAID ROTOR END WALL SURFACES HAVING A PLURALITY OF CIRCUMMFERENTIALLY-SPACED PROJECTIONS RIGID WITH THE ROTOR AND PROJECTING AXIALLY THEREFROM SUCH THAT SAID ROTOR HAS ITS MAXIMUM AXIAL WIDTH BETWEEN THE OUTER PORTIONS OF THE PROJECTIONS ON ONE ROTOR END SURFACE AND THE CORRESPONDING OUTER PORTIONS OF THE PROJECTIONS ON THE OTHER ROTOR END SURFACE, SAID ROTOR ALSO HAVING MEANS FOR CARRYING SEAL RING MEANS ON EACH OF ITS END SURFACES COAXIAL WITH ITS JOURNAL RECEIVING BORE AND RADIALLY OUTWARDLY OF SAID PROJECTIONS.
Claim 2
Dependent Claim
117 words
A ROTOR FOR ROTATION WITHIN A ROTARY PISTON MACHINE; SAID ROTOR HAVING AXIALLY-SPACED END WALL SURFACES AND A PERIPHERAL WALL SURFACE INTERCONNECTING SAID END WALL SURFACES AND HAVING A JOURNAL RECEIVING BORE THERETHROUGH, EACH OF SAID ROTOR END WALL SURFACES HAVING A PLURALITY OF CIRCUMMFERENTIALLY-SPACED PROJECTIONS RIGID WITH THE ROTOR AND PROJECTING AXIALLY THEREFROM SUCH THAT SAID ROTOR HAS ITS MAXIMUM AXIAL WIDTH BETWEEN THE OUTER PORTIONS OF THE PROJECTIONS ON ONE ROTOR END SURFACE AND THE CORRESPONDING OUTER PORTIONS OF THE PROJECTIONS ON THE OTHER ROTOR END SURFACE, SAID ROTOR ALSO HAVING MEANS FOR CARRYING SEAL RING MEANS ON EACH OF ITS END SURFACES COAXIAL WITH ITS JOURNAL RECEIVING BORE AND RADIALLY OUTWARDLY OF SAID PROJECTIONS.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |