US3355097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid machine
Assignee: Ingersoll Rand Co
•
Filing: 1965-12-22
•
Granted: 1967-11-28
•
Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Hornschuch Hanns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:46
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/16; F04D25/163; F04D29/00; F04D29/58; F04D29/582; F04D29/5826; Y; Y10; Y10S; Y10S415/00; Y10S415/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN AIR COMPRESSOR COMPRISING A CASING HAVING AN INLET AND AN OUTLET, CENTRIFUGAL PUMP UNIT MEANS DISPOSED WITHIN SAID CASING, MEANS SERIALLY CONNECTING SAID PUMP UNIT MEANS BETWEEN SAID CASING INLET AND OUTLET SUCH THAT SAID PUMP UNIT MEANS COMPRESS THE AIR IN SUCCESSIVE STAGES, MEANS DISPOSED WITHIN THE OUTLET OF EACH PUMP UNIT MEANS FOR COOLING THE AIR COMPRESSED IN EACH PUMP UNIT MEANS BEFORE ITS ENTRY INTO THE NEXT SUCCEEDING PUMP UNIT MEANS, AND WATER SEPARATION MEANS DISPOSED IN THE OUTLET OF EACH PUMP UNIT MEANS, ALL OF SAID MEANS BEING TOTALLY ENCLOSED WITHIN SAID CASING.
Claim 2
Dependent Claim
98 words
AN AIR COMPRESSOR COMPRISING A CASING HAVING AN INLET AND AN OUTLET, CENTRIFUGAL PUMP UNIT MEANS DISPOSED WITHIN SAID CASING, MEANS SERIALLY CONNECTING SAID PUMP UNIT MEANS BETWEEN SAID CASING INLET AND OUTLET SUCH THAT SAID PUMP UNIT MEANS COMPRESS THE AIR IN SUCCESSIVE STAGES, MEANS DISPOSED WITHIN THE OUTLET OF EACH PUMP UNIT MEANS FOR COOLING THE AIR COMPRESSED IN EACH PUMP UNIT MEANS BEFORE ITS ENTRY INTO THE NEXT SUCCEEDING PUMP UNIT MEANS, AND WATER SEPARATION MEANS DISPOSED IN THE OUTLET OF EACH PUMP UNIT MEANS, ALL OF SAID MEANS BEING TOTALLY ENCLOSED WITHIN SAID CASING.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |