Patent US3098602A successfully refreshed from Google Patents.
US3098602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal centrifugal compressor
Assignee: Individual
•
Filing: 1962-09-12
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Granted: 1963-07-23
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Keith R Torluemke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:55
CPC Classifications
F; F04; F04D; F04D23/00; F04D29/00; F04D29/58; F04D29/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A THERMAL CENTRIFUGAL COMPRESSOR, A ROTATIVELY DRIVEN HOUSING; ALTERNATE HOT AND COLD SECTIONS IN SAID HOUSING; AND CONTINUOUS HELICAL TUBE IN SAID HOUSING EXTENDING ALTERNATELY THROUGH SAID HOT AND COLD SECTIONS, SAID TUBE EXTENDING BACK AND FORTH IN SAID HOUSING BETWEEN POSITIONS WHICH ARE ALTERNATELY NEAR THE AXIS AND NEAR THE PERIPHERY OF SAID HOUSING.
Claim 2
Dependent Claim
56 words
IN A THERMAL CENTRIFUGAL COMPRESSOR, A ROTATIVELY DRIVEN HOUSING; ALTERNATE HOT AND COLD SECTIONS IN SAID HOUSING; AND CONTINUOUS HELICAL TUBE IN SAID HOUSING EXTENDING ALTERNATELY THROUGH SAID HOT AND COLD SECTIONS, SAID TUBE EXTENDING BACK AND FORTH IN SAID HOUSING BETWEEN POSITIONS WHICH ARE ALTERNATELY NEAR THE AXIS AND NEAR THE PERIPHERY OF SAID HOUSING.
References Cited (Backward Citations)
US1063636A
Cited
GB285775A
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 |