Patent USRE26970E successfully refreshed from Google Patents.
Patent US3339532A successfully refreshed from Google Patents.
US3339532A
Expired / Lapsed
US
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Machine of the rotary piston type
Assignee: Individual
•
Filing: 1965-11-10
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Granted: 1967-09-05
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Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Loescher Reinhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:17
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/22; F02; F02B; F02B53/00; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A ROTARY PISTON MACHINE COMPRISING AN ANNULAR CASING ADAPTED TO RECIPROCATE ALONG A PREDETERMINED ELONGATED PATH AND THE INNER SURFACE OF WHICH FORMS A RUNWAY INCLUDING TWO INWARDLY PROJECTING DIAMETRICALLY OPPOSED WEDGE-SHAPED SECTIONS, SIDEWALLS PARALLEL WITH SAID PATH AND CLOSING LATERALLY THE CASING, A ROTARY PISTON INCLUDING A PLURALITY OF SUBSTANTIALLY RADIAL PROJECTIONS ENGAGING SAID RUNWAY AND FORMING WITH THE LATTER A PLURALITY OF CLOSED CHAMBERS, SAID PISTON BEING ADAPTED TO REVOLVE INSIDE THE CASING ROUND A STATIONARY AXIS PERPENDICULAR TO THE SIDE WALLS TO THEREBY ENSURE A POSITIVE RELATIONSHIP BETWEEN THE RECIPROCATION OF THE CASING AND THE ROTATION OF THE PISTON TO THEREBY CONSTRAIN THE CLOSED
Claim 2
Dependent Claim
107 words
A ROTARY PISTON MACHINE COMPRISING AN ANNULAR CASING ADAPTED TO RECIPROCATE ALONG A PREDETERMINED ELONGATED PATH AND THE INNER SURFACE OF WHICH FORMS A RUNWAY INCLUDING TWO INWARDLY PROJECTING DIAMETRICALLY OPPOSED WEDGE-SHAPED SECTIONS, SIDEWALLS PARALLEL WITH SAID PATH AND CLOSING LATERALLY THE CASING, A ROTARY PISTON INCLUDING A PLURALITY OF SUBSTANTIALLY RADIAL PROJECTIONS ENGAGING SAID RUNWAY AND FORMING WITH THE LATTER A PLURALITY OF CLOSED CHAMBERS, SAID PISTON BEING ADAPTED TO REVOLVE INSIDE THE CASING ROUND A STATIONARY AXIS PERPENDICULAR TO THE SIDE WALLS TO THEREBY ENSURE A POSITIVE RELATIONSHIP BETWEEN THE RECIPROCATION OF THE CASING AND THE ROTATION OF THE PISTON TO THEREBY CONSTRAIN THE CLOSED
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |