Patent US3076525A successfully refreshed from Google Patents.
US3076525A
Expired / Lapsed
US
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Pulse lubricator
Assignee: Parker Hannifin Corp
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Filing: 1960-04-11
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Granted: 1963-02-05
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Zdenek J Lansky
- 👤 John D Scalbom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:32
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7866; Y10T137/8593; Y10T137/87917; Y10T137/88062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN COMBINATION, A LUBRICATOR BODY, AN OIL RESERVOIR, AND AN ADAPTOR RING INSERTED BETWEEN SAID BODY AND OIL RESERVOIR, SAID ADAPTOR RING HAVING A PORT OPENING THROUGH THE PERIPHERY THEREOF, AND HAVING A BORE THEREIN COMMUNICATING WITH SAID PORT AND WITH AN OIL PICKUP TUBE ATTACHED TO SAID RING AND EXTENDING INTO SAID RESERVOIR, SAID BORE BEING ADAPTED TO PERMIT THE FLOW OF OIL FROM SAID PICKUP TUBE TO SAID PORT, AND A VALVE MEMBER MOUNTED WITHIN SAID BORE FOR MOVEMENT BETWEEN A FIRST POSITION FOR CLOSING SAID PICKUP TUBE AND A SECOND POSITION FOR CLOSING SAID BORE RELATIVE TO SAID PORT WHEREBY FLOW OF OIL THROUGH SAID BORE IS CONTROLLED BY SAID VALVE MEMBER.
Claim 2
Dependent Claim
115 words
IN COMBINATION, A LUBRICATOR BODY, AN OIL RESERVOIR, AND AN ADAPTOR RING INSERTED BETWEEN SAID BODY AND OIL RESERVOIR, SAID ADAPTOR RING HAVING A PORT OPENING THROUGH THE PERIPHERY THEREOF, AND HAVING A BORE THEREIN COMMUNICATING WITH SAID PORT AND WITH AN OIL PICKUP TUBE ATTACHED TO SAID RING AND EXTENDING INTO SAID RESERVOIR, SAID BORE BEING ADAPTED TO PERMIT THE FLOW OF OIL FROM SAID PICKUP TUBE TO SAID PORT, AND A VALVE MEMBER MOUNTED WITHIN SAID BORE FOR MOVEMENT BETWEEN A FIRST POSITION FOR CLOSING SAID PICKUP TUBE AND A SECOND POSITION FOR CLOSING SAID BORE RELATIVE TO SAID PORT WHEREBY FLOW OF OIL THROUGH SAID BORE IS CONTROLLED BY SAID VALVE MEMBER.
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |