US3131786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air line lubricator
Assignee: MASTER PNEUMATIC Inc
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Filing: 1962-04-30
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Granted: 1964-05-05
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Quin R Gleason
- 👤 Keith A Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:23
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
AN AIR LINE LUBRICATOR COMPRISING, MEANS DEFINING A PASSAGEWAY ADAPTED TO BE CONNECTED INTO A CONDUIT FOR AIR UNDER PRESSURE, MEANS DEFINING A BYPASS CONNECTING INTO SAID PASSAGEWAY AT RELATIVE UPSTREAM AND DOWNSTREAM LOCATIONS, A LUBRICANT CONTAINER, LUBRICANT-DELIVERY MEANS COMMUNICATING WITH SAID CONTAINER AND WITH SAID BYPASS, SAID LUBRICANT DELIVERY MEANS OPERABLE RESPONSIVE TO AIR FLOW IN SAID BYPASS TO DELIVER LUBRICANT FROM SAID LUBRICANT CONTAINER INTO SAID BYPASS, SAID AIR FLOW IN SAID BYPASS BEING OPERABLE TO DELIVER TO SAID DOWNSTREAM LOCATION LUBRICANT RECEIVED FROM SAID LUBRICANT CONTAINER, SAID BYPASS HAVING A TERMINAL OPENING INTO SAID PASSAGEWAY AT SAID DOWNSTREAM LOCATION, SAID OPENING BEING INCLINED IN A DIRECTION UPSTREAM OF THE FLOW OF AIR IN SAID PASSAGEWAY SO THAT SAID OPENING PROVIDES AN AIR SCOOP OPERABLE TO RESIST LUBRICANT DELIVERING FLOW OF AIR THROUGH SAID OPENING.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |