US3276760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-surge coil spring assembly
Assignee: Motors Liquidation Co
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Filing: 1964-03-02
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Granted: 1966-10-04
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Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 Everton L Last
- 👤 Conrad A Teichert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:34
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/02; E02D7/06; E02D7/12; E02D7/125; F; F02; F02M; F02M57/00; F02M57/02; F02M2700/00; F02M2700/07; F02M2700/078; F02M2700/13; F02M2700/1317; F02M2700/1335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A FUEL INJECTION DEVICE INCLUDING A HOUSING MEMBER HAVING A CHAMBER THEREIN RECEIVING A RECIPROCATING PLUNGER, A GUIDE MEANS INTEGRAL WITH SAID HOUSING MEMBER, SAID PLUNGER BEING DISPOSED WITHIN SAID GUIDE MEANS, A SEPARATING RING SLIDABLY DISPOSED ABOUT SAID GUIDE MEANS, SAID SEPARATING RING INCLUDING AN AXIALLY EXTENDING SLEEVE AND A RADIALLY EXTENDING FLANGE INTERMEDIATE THE ENDS OF SAID AXIALLY EXTENDING SLEEVE AND INTEGRAL THEREWITH, A FIRST COIL SPRING INTERPOSED BETWEEN THE OUTER END OF SAID PLUNGER AND SAID RADIAL FLANGE, AND A SECOND COIL SPRING INTERPOSED BETWEEN SAID HOUSING MEMBER AND SAID RADIAL FLANGE, SAID SEPATATING RING FRICTIONALLY ENGAGING SAID GUIDE MEANS TO ATTENUATE VIBRATION OF SAID SPRINGS.
Claim 2
Dependent Claim
110 words
IN A FUEL INJECTION DEVICE INCLUDING A HOUSING MEMBER HAVING A CHAMBER THEREIN RECEIVING A RECIPROCATING PLUNGER, A GUIDE MEANS INTEGRAL WITH SAID HOUSING MEMBER, SAID PLUNGER BEING DISPOSED WITHIN SAID GUIDE MEANS, A SEPARATING RING SLIDABLY DISPOSED ABOUT SAID GUIDE MEANS, SAID SEPARATING RING INCLUDING AN AXIALLY EXTENDING SLEEVE AND A RADIALLY EXTENDING FLANGE INTERMEDIATE THE ENDS OF SAID AXIALLY EXTENDING SLEEVE AND INTEGRAL THEREWITH, A FIRST COIL SPRING INTERPOSED BETWEEN THE OUTER END OF SAID PLUNGER AND SAID RADIAL FLANGE, AND A SECOND COIL SPRING INTERPOSED BETWEEN SAID HOUSING MEMBER AND SAID RADIAL FLANGE, SAID SEPATATING RING FRICTIONALLY ENGAGING SAID GUIDE MEANS TO ATTENUATE VIBRATION OF SAID SPRINGS.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |