US3140664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication
Assignee: Auto Research Corp
•
Filing: 1960-02-19
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Granted: 1964-07-14
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:37
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/16; F16N13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A HYDRAULICALLY CONTROLLED CENTRAL RECIPROCATING SPRING RETURNED PISTON PUMP FOR A CENTRALIZED LUBRICATING BRANCHED DISTRIBUTING PIPING SYSTEM HAVING A REDUCTION GEARING ARRANGEMENT PERIODICALLY TO RAISE AND RELEASE SAID PISTON AGAINST SPRING PRESSURE AND AN ADJUSTABLE STROKE RECIPROCATING HYDRAULIC PISTON HAVING A CONNECTING ROD, A LEVER, A DRIVE LINKAGE BETWEEN SAID ROD AND LEVER, A SHAFT, A DRIVE RATCHET AT ONE END OF SAID SHAFT, SAID LEVER DRIVING THE RATCHET, AND A DRIVE CONNECTION FROM THE OTHER END OF SAID SHAFT TO SAID GEARING ARRANGEMENT TO ACTUATE SAID GEARING ARRANGEMENT, SAID PUMP HAVING A PISTON AND A
Claim 2
Dependent Claim
96 words
A HYDRAULICALLY CONTROLLED CENTRAL RECIPROCATING SPRING RETURNED PISTON PUMP FOR A CENTRALIZED LUBRICATING BRANCHED DISTRIBUTING PIPING SYSTEM HAVING A REDUCTION GEARING ARRANGEMENT PERIODICALLY TO RAISE AND RELEASE SAID PISTON AGAINST SPRING PRESSURE AND AN ADJUSTABLE STROKE RECIPROCATING HYDRAULIC PISTON HAVING A CONNECTING ROD, A LEVER, A DRIVE LINKAGE BETWEEN SAID ROD AND LEVER, A SHAFT, A DRIVE RATCHET AT ONE END OF SAID SHAFT, SAID LEVER DRIVING THE RATCHET, AND A DRIVE CONNECTION FROM THE OTHER END OF SAID SHAFT TO SAID GEARING ARRANGEMENT TO ACTUATE SAID GEARING ARRANGEMENT, SAID PUMP HAVING A PISTON AND A
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |