Patent US3107541A successfully refreshed from Google Patents.
US3107541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston machines
Assignee: Individual
•
Filing: 1961-03-08
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Granted: 1963-10-22
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Parsus Henri Lucien Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:01
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/26; F02B75/02; F02B2075/022; F02B2075/025; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PISTON MACHINE OF THE CHARACTER DESCRIBED COMPRISING A PAIR OF CYLINDRICAL BODIES POSITIONED SYMMETRICALLY WITH RESPECT TO A COMMON PLANE AND EACH CARRYING A DOUBLE ACTION CAM, MEANS COUPLING SAID BODIES FOR ROTATION TOGETHER BUT IN OPPOSITE DIRECTIONS, A PAIR OF SLIDE BLOCKS EACH POSITIONED ON AN OPPOSITE SIDE OF BOTH OF SAID BODIES, A PLURALITY OF ROLLERS, MEANS ROTATABLE CONNECTING EACH ONE OF SAID SLIDE BLOCKS TO A DIFFERENT PAIR OF SAID ROLLERS WITH EACH ROLLER OF SAID PAIR ENGAGING THE CAM OF ONE OF SAID BODIES, A PLURALITY OF PISTON CARRYING CONNECTING RODS, MEANS PIVOTALLY CONNECTING EACH ONE OF SAID SLIDE BLOCKS TO A DIFFERENT PAIR OF SAID CONNECTING RODS, AND CYLINDERS HAVING SAID CONNECTING ROD PISTONS SLIDEABLY POSITIONED THEREIN FOR RECIPROCATION.
Claim 2
Dependent Claim
125 words
A PISTON MACHINE OF THE CHARACTER DESCRIBED COMPRISING A PAIR OF CYLINDRICAL BODIES POSITIONED SYMMETRICALLY WITH RESPECT TO A COMMON PLANE AND EACH CARRYING A DOUBLE ACTION CAM, MEANS COUPLING SAID BODIES FOR ROTATION TOGETHER BUT IN OPPOSITE DIRECTIONS, A PAIR OF SLIDE BLOCKS EACH POSITIONED ON AN OPPOSITE SIDE OF BOTH OF SAID BODIES, A PLURALITY OF ROLLERS, MEANS ROTATABLE CONNECTING EACH ONE OF SAID SLIDE BLOCKS TO A DIFFERENT PAIR OF SAID ROLLERS WITH EACH ROLLER OF SAID PAIR ENGAGING THE CAM OF ONE OF SAID BODIES, A PLURALITY OF PISTON CARRYING CONNECTING RODS, MEANS PIVOTALLY CONNECTING EACH ONE OF SAID SLIDE BLOCKS TO A DIFFERENT PAIR OF SAID CONNECTING RODS, AND CYLINDERS HAVING SAID CONNECTING ROD PISTONS SLIDEABLY POSITIONED THEREIN FOR RECIPROCATION.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |