Patent US3373927A successfully refreshed from Google Patents.
US3373927A
Expired / Lapsed
US
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Fluid compressor
Assignee: Carrier Corp
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Filing: 1966-06-01
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Granted: 1968-03-19
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Expires: 1986-06-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:13
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
FLUID COMPRESSION APPARATUS COMPRISING: A CENTRAL FRAME MEMBER INCLUDING A DIAPHRAGM FORMED THEREON; AN IMPELLER SHAFT ON THE DIAPHRAGM PROJECTING SUBSTANTIALLY NORMAL THERETO; IMPELLER BEARING MEANS HAVING AN UPSTANDING FLANGE PORTION ENGAGING SAID DIAPHRAGM; AN IMPELLER MOUNTED ON SAID IMPELLER BEARING MEANS, SAID IMPELLER HAVING BLADES FORMED THEREON AND A RADIALLY EXTENDING PORTION; A COVER CONNECTED TO THE CENTRAL FRAME MEMBER AND FORMING THEREWITH A COMPRESSOR SECTION ENCLOSING SAID COMPRESSOR IMPELLER, SAID COVER HAVING A PROCESS FLUID INLET PASSAGE, A DIFFUSER PASSAGE, A COLLECTION CHAMBER, AND A PROCESS FLUID OUTLET PASSAGE FORMED THEREIN;
Claim 2
Dependent Claim
93 words
FLUID COMPRESSION APPARATUS COMPRISING: A CENTRAL FRAME MEMBER INCLUDING A DIAPHRAGM FORMED THEREON; AN IMPELLER SHAFT ON THE DIAPHRAGM PROJECTING SUBSTANTIALLY NORMAL THERETO; IMPELLER BEARING MEANS HAVING AN UPSTANDING FLANGE PORTION ENGAGING SAID DIAPHRAGM; AN IMPELLER MOUNTED ON SAID IMPELLER BEARING MEANS, SAID IMPELLER HAVING BLADES FORMED THEREON AND A RADIALLY EXTENDING PORTION; A COVER CONNECTED TO THE CENTRAL FRAME MEMBER AND FORMING THEREWITH A COMPRESSOR SECTION ENCLOSING SAID COMPRESSOR IMPELLER, SAID COVER HAVING A PROCESS FLUID INLET PASSAGE, A DIFFUSER PASSAGE, A COLLECTION CHAMBER, AND A PROCESS FLUID OUTLET PASSAGE FORMED THEREIN;
References Cited (Backward Citations)
US2471753A
Cited
US3089514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |