US3104922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston
Assignee: White Motor Co
•
Filing: 1961-07-07
•
Granted: 1963-09-24
•
Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Forest S Baster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:36
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/0076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
235 words
AN INTERNAL COMBUSTION ENGINE PISTON COMPRISING; (A) A ONE PIECE INTEGRALLY FORMED MEMBER HAVING A HEAD PORTION OF CIRCULAR CONFIGURATION; (B) THE HEAD PORTION HAVING A CYLINDRICALLY CONTOURED RING BELT PORTION DEPENDING FROM THE PERIPHERY THEREOF; (C) AN ANNULAR HEAT DISTRIBUTING WEB PART DEPENDING FROM THE HEAD PORTION AND CONNECTED TO BOTH THE BELT PORTION AND THE HEAD PORTION; (D) THE CONNECTION OF THE WEB PART TO ONE OF THE MENTIONED PORTIONS BEING CIRCUMFERENTIAL AND INTEGRAL AND TO THE OTHER BEING PROVIDED BY A PLURALITY OF CIRCUMFERENTIALLY SPACED RIBS; (E) A SKIRT PORTION HAVING A CONTOUR DEFINING SEGMENTS OF A CYLINDER AND CIRCUMFERENTIALLY CONNECTED NEAR ITS BASE TO THE BASE OF THE WEB PART FOR CIRCUMFERENTIALLY UNIFORM TRANSMISSION OF HEAT FROM THE WEB PART TO THE SKIRT PORTION; (F) SAID SKIRT PORTION EXTENDING UPWARDLY FROM SAID WEB TO SKIRT CONNECTION IN SPACED RELATIONSHIP WITH THE WEB PART AND DEFINING AN ANNULAR INSULATING SPACE THEREBETWEEN; (G) SAID SPACE HAVING A LOWER CIRCUMFERENTIAL TERMINATION DEFINED BY SAID WEB TO SKIRT CONNECTION; (H) SAID BELT PORTION AND SAID SKIRT PORTION BEING SPACED FROM ONE ANOTHER; (I) EACH OF THE MENTIONED PORTIONS AND THE WEB PART BEING IN AXIAL ALIGNMENT ALONG THE AXIS OF THE PISTON; (J) A WRIST PIN BOSS PORTION DEFINING A WRIST PIN RECEIVING BORE HAVING AN AXIS NORMAL TO AND INTERSECTING THE PISTON AXIS; AND (K) SAID BOSS PORTION BEING INTEGRALLY UNITED WITH SAID WEB.
Claim 2
Dependent Claim
235 words
AN INTERNAL COMBUSTION ENGINE PISTON COMPRISING; (A) A ONE PIECE INTEGRALLY FORMED MEMBER HAVING A HEAD PORTION OF CIRCULAR CONFIGURATION; (B) THE HEAD PORTION HAVING A CYLINDRICALLY CONTOURED RING BELT PORTION DEPENDING FROM THE PERIPHERY THEREOF; (C) AN ANNULAR HEAT DISTRIBUTING WEB PART DEPENDING FROM THE HEAD PORTION AND CONNECTED TO BOTH THE BELT PORTION AND THE HEAD PORTION; (D) THE CONNECTION OF THE WEB PART TO ONE OF THE MENTIONED PORTIONS BEING CIRCUMFERENTIAL AND INTEGRAL AND TO THE OTHER BEING PROVIDED BY A PLURALITY OF CIRCUMFERENTIALLY SPACED RIBS; (E) A SKIRT PORTION HAVING A CONTOUR DEFINING SEGMENTS OF A CYLINDER AND CIRCUMFERENTIALLY CONNECTED NEAR ITS BASE TO THE BASE OF THE WEB PART FOR CIRCUMFERENTIALLY UNIFORM TRANSMISSION OF HEAT FROM THE WEB PART TO THE SKIRT PORTION; (F) SAID SKIRT PORTION EXTENDING UPWARDLY FROM SAID WEB TO SKIRT CONNECTION IN SPACED RELATIONSHIP WITH THE WEB PART AND DEFINING AN ANNULAR INSULATING SPACE THEREBETWEEN; (G) SAID SPACE HAVING A LOWER CIRCUMFERENTIAL TERMINATION DEFINED BY SAID WEB TO SKIRT CONNECTION; (H) SAID BELT PORTION AND SAID SKIRT PORTION BEING SPACED FROM ONE ANOTHER; (I) EACH OF THE MENTIONED PORTIONS AND THE WEB PART BEING IN AXIAL ALIGNMENT ALONG THE AXIS OF THE PISTON; (J) A WRIST PIN BOSS PORTION DEFINING A WRIST PIN RECEIVING BORE HAVING AN AXIS NORMAL TO AND INTERSECTING THE PISTON AXIS; AND (K) SAID BOSS PORTION BEING INTEGRALLY UNITED WITH SAID WEB.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |