US3135356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air line oiler
Assignee: Gardner Denver Inc
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Filing: 1962-05-11
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Granted: 1964-06-02
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Henry A Pohs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:53
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
AN AIR LINE OILER COMPRISING: A HOUSING HAVING A MAIN AIR PASSAGE, INCLUDING INLET AND OUTLET OPENINGS FOR CONNECTION TO AN AIR CONDUIT, AND AN OIL CHAMBER; A PRESSURE REDUCTION VALVE IN SAID MAIN AIR PASSAGE; MEANS DEFINING A FILLER OPENING IN SAID HOUSING, COMMUNICATING WITH SAID OIL CHAMBER, FOR SUPPLYING OIL TO SAID CHAMBER; A FILLER PLUG FOR SEALING SAID FILLER OPENING; SAID FILLER PLUG HAVING AN OIL PASSAGE, OPENING TO THE INNER PORTION OF SAID PLUG TO COMMUNICATE WITH SAID OIL CHAMBER, AND OPENING TO THE SIDE OF SAID PLUG TO COMMUNICATE WITH THE WALL OF SAID FILLER OPENING; SAID HOUSING HAVING AN OIL PASSAGE, OPENING TO THE WALL OF SAID FILLER OPENING TO COMMUNICATE WITH SAID PLUG OIL PASSAGE, AND OPENING TO SAID MAIN AIR PASSAGE AT THE OUTLET SIDE OF SAID PRESSURE REDUCTION VALVE; AN OIL METERING VALVE DISPOSED IN SAID FILLER PLUG OIL PASSAGE FOR REGULATING THE FLOW OF OIL THROUGH SAID OIL PASSAGES; A FLEXIBLE BULB DISPOSED IN SAID OIL CHAMBER, CONSTRUCTED TO EXPAND AND CONTRACT WITHIN SAID CHAMBER; MEANS DEFINING AN AIR PASSAGE IN SAID HOUSING, COMMUNICATING SAID BULB WITH SAID MAIN AIR PASSAGE AT THE INLET SIDE OF SAID PRESSURE REDUCTION VALVE, TO SUBJECT SAID BULB TO INLET PRESSURE; AND SAID INLET PRESSURE BEING APPLIED, THROUGH SAID BULB, TO THE OIL CONFINED WITHIN SAID OIL CHAMBER.
Claim 2
Dependent Claim
224 words
AN AIR LINE OILER COMPRISING: A HOUSING HAVING A MAIN AIR PASSAGE, INCLUDING INLET AND OUTLET OPENINGS FOR CONNECTION TO AN AIR CONDUIT, AND AN OIL CHAMBER; A PRESSURE REDUCTION VALVE IN SAID MAIN AIR PASSAGE; MEANS DEFINING A FILLER OPENING IN SAID HOUSING, COMMUNICATING WITH SAID OIL CHAMBER, FOR SUPPLYING OIL TO SAID CHAMBER; A FILLER PLUG FOR SEALING SAID FILLER OPENING; SAID FILLER PLUG HAVING AN OIL PASSAGE, OPENING TO THE INNER PORTION OF SAID PLUG TO COMMUNICATE WITH SAID OIL CHAMBER, AND OPENING TO THE SIDE OF SAID PLUG TO COMMUNICATE WITH THE WALL OF SAID FILLER OPENING; SAID HOUSING HAVING AN OIL PASSAGE, OPENING TO THE WALL OF SAID FILLER OPENING TO COMMUNICATE WITH SAID PLUG OIL PASSAGE, AND OPENING TO SAID MAIN AIR PASSAGE AT THE OUTLET SIDE OF SAID PRESSURE REDUCTION VALVE; AN OIL METERING VALVE DISPOSED IN SAID FILLER PLUG OIL PASSAGE FOR REGULATING THE FLOW OF OIL THROUGH SAID OIL PASSAGES; A FLEXIBLE BULB DISPOSED IN SAID OIL CHAMBER, CONSTRUCTED TO EXPAND AND CONTRACT WITHIN SAID CHAMBER; MEANS DEFINING AN AIR PASSAGE IN SAID HOUSING, COMMUNICATING SAID BULB WITH SAID MAIN AIR PASSAGE AT THE INLET SIDE OF SAID PRESSURE REDUCTION VALVE, TO SUBJECT SAID BULB TO INLET PRESSURE; AND SAID INLET PRESSURE BEING APPLIED, THROUGH SAID BULB, TO THE OIL CONFINED WITHIN SAID OIL CHAMBER.
References Cited (Backward Citations)
US2897919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |