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US3098604A Expired / Lapsed US ⏱️ 0.0 years remaining

Hermetic refrigerant compressor

Assignee: General Electric Co
•
Filing: 1955-07-07
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Granted: 1963-07-23
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Expires: 1975-07-07
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Abstract

No abstract record available.

Inventors

  • 👤 Charles A Dubberley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:15
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/002; Y; Y10; Y10S; Y10S417/00; Y10S417/902

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 77 words
IN A REFRIGERATING COMPRESSOR, THE COMBINATION OF A HOUSING HAVING THEREIN A REFRIGERANT SPACE AND A LUBRICANT STORAGE SPACE; A SHAFT ROTATABLY MOUNTED WITHIN SAID HOUSING AND HAVING THEREIN A LUBRICANT RECEIVING PASSAGE COMMUNICATING WITH SAID LUBRICANT SPACE AND A CONNECTING INCLINED VENT PASSAGE COMMUNICATING WITH SAID REFIGERANT SPACE, THE INCLINATION OF SAID VENT PASSAGE BEING IN A DIRECTION TOWARD THE CENTR LINE OF SAID SHAFT TO THEREBY PREVENT THE PASSAGE OF LUBRICANT THROUGH SAID VENT PASSAGE.
Claim 2
Dependent Claim 77 words
IN A REFRIGERATING COMPRESSOR, THE COMBINATION OF A HOUSING HAVING THEREIN A REFRIGERANT SPACE AND A LUBRICANT STORAGE SPACE; A SHAFT ROTATABLY MOUNTED WITHIN SAID HOUSING AND HAVING THEREIN A LUBRICANT RECEIVING PASSAGE COMMUNICATING WITH SAID LUBRICANT SPACE AND A CONNECTING INCLINED VENT PASSAGE COMMUNICATING WITH SAID REFIGERANT SPACE, THE INCLINATION OF SAID VENT PASSAGE BEING IN A DIRECTION TOWARD THE CENTR LINE OF SAID SHAFT TO THEREBY PREVENT THE PASSAGE OF LUBRICANT THROUGH SAID VENT PASSAGE.

References Cited (Backward Citations)

US2164405A Cited
US2423719A Cited
US2312596A Cited
US2274942A Cited
US2500751A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-22 1967-01-21 1967-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-22 1971-01-21 1971-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-22 1975-01-21 1975-07-23 $7700.00 Window Closed / Lapsed

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