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
Abstract
No abstract record available.
Inventors
- 👤 Charles A Dubberley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:15
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)
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 |