US3083700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine construction
Assignee: Individual
•
Filing: 1961-12-08
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Granted: 1963-04-02
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Expires: 1981-12-08
Abstract
No abstract record available.
Inventors
- 👤 Paul D Madak
- 👤 Harry L Cuthbert
- 👤 Robert E Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:17
CPC Classifications
F; F02; F02B; F02B23/00; F02B23/02; F02B23/06; F02B23/0678; F02B23/0645; F02B23/0648; F02B23/0651; F02B23/0669; F02B23/0672; F02B2275/00; F02B2275/14; F02B2720/00; F02B2720/22; F02B2720/226; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
INJECTION-TYPE INTERNAL COMBUSTION ENGINE CONSTRUCTION INCLUDING A PISTON HAVING A HEAD END TERMINATING IN A HEAD END SURFACE, THE PISTON HEAD END HAVING A COMBUSTION CHAMBER FORMED THEREIN OPENING OUTWARDLY THROUGH THE HEAD END SURFACE, THE COMBUSTION CHAMBER HAVING BOTTOM AND SIDE WALLS, SPACED LIP PORTIONS FORMED AT THE HEAD END SURFACE OVERHANGING THE CHAMBER SIDE WALL SEPARATED BY RECESS PORTIONS OPENING THROUGH THE HEAD END SURFACE AND INTO THE CHAMBER OPENING PROVIDING ALTERNATE OVERHANGING LIP AND RECESS PORTIONS AT THE HEAD END SURFACE AND AROUND THE CHAMBER OPENING; AND FUEL INJECTION NOZZLE MEANS HAVING AT LEAST ONE FUEL JET DIRECTING MEANS FOR EACH PISTON LIP PORTION FOR DIRECTING A JET OF FUEL INTO THE PISTON COMBUSTION CHAMBER BENEATH EACH PISTON LIP PORTION.
Claim 2
Dependent Claim
123 words
INJECTION-TYPE INTERNAL COMBUSTION ENGINE CONSTRUCTION INCLUDING A PISTON HAVING A HEAD END TERMINATING IN A HEAD END SURFACE, THE PISTON HEAD END HAVING A COMBUSTION CHAMBER FORMED THEREIN OPENING OUTWARDLY THROUGH THE HEAD END SURFACE, THE COMBUSTION CHAMBER HAVING BOTTOM AND SIDE WALLS, SPACED LIP PORTIONS FORMED AT THE HEAD END SURFACE OVERHANGING THE CHAMBER SIDE WALL SEPARATED BY RECESS PORTIONS OPENING THROUGH THE HEAD END SURFACE AND INTO THE CHAMBER OPENING PROVIDING ALTERNATE OVERHANGING LIP AND RECESS PORTIONS AT THE HEAD END SURFACE AND AROUND THE CHAMBER OPENING; AND FUEL INJECTION NOZZLE MEANS HAVING AT LEAST ONE FUEL JET DIRECTING MEANS FOR EACH PISTON LIP PORTION FOR DIRECTING A JET OF FUEL INTO THE PISTON COMBUSTION CHAMBER BENEATH EACH PISTON LIP PORTION.
References Cited (Backward Citations)
GB509838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |