Patent US3164181A successfully refreshed from Google Patents.
US3164181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating materials with compressed fluid
Assignee: Individual
•
Filing: 1963-01-08
•
Granted: 1965-01-05
•
Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Kunz Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:22
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/03; A; A23; A23N; A23N7/00; A23N7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN APPARATUS FOR TREATING MATERIALS BY CONTACT WITH COMPRESSED FLUID, COMPRISING A SOURCE OF COMPRESSED FLUID; A PRESSURE VESSEL HAVING AN INTERNAL CHAMBER AND A MATERIAL ADMITTING OPENING AND COMPRISING A CLOSURE FOR SAID OPENING, SAID CLOSURE BEING MOVABLE BETWEEN AN OPEN AND A SEALING POSITION; AND ACTUATING MEANS FOR MOVING SAID CLOSURE TO SEALING POSITION, SAID ACTUATING MEANS COMPRISING A VALVED CONDUIT CONNECTED WITH SAID SOURCE AND HAVING A PORTION COMMUNICATING WITH SAID CHAMBER, AND A PISTON RECIPROCABLE RECEIVED IN SAID CONDUIT AND OPERATIVELY CONNECTED WITH SAID CLOSURE TO MOVE THE CLOSURE TO SAID SEALING POSITION IN RESPONSE TO ADMISSION OF COMPRESSED FLUID TO SAID CONDUIT, SAID PISTON SEALING SAID CONDUIT PORTION FROM SAID SOURCE WHEN THE CLOSURE IS IN OPEN POSITION WHEREBY THE FLUID CAN ENTER SAID CHAMBER ONLY WHEN THE CLOSURE SEALS SAID OPENING.
Claim 2
Independent Claim
137 words
AN APPARATUS FOR TREATING MATERIALS BY CONTACT WITH COMPRESSED FLUID, COMPRISING A SOURCE OF COMPRESSED FLUID; A PRESSURE VESSEL HAVING AN INTERNAL CHAMBER AND A MATERIAL ADMITTING OPENING AND COMPRISING A CLOSURE FOR SAID OPENING, SAID CLOSURE BEING MOVABLE BETWEEN AN OPEN AND A SEALING POSITION; AND ACTUATING MEANS FOR MOVING SAID CLOSURE TO SEALING POSITION, SAID ACTUATING MEANS COMPRISING A VALVED CONDUIT CONNECTED WITH SAID SOURCE AND HAVING A PORTION COMMUNICATING WITH SAID CHAMBER, AND A PISTON RECIPROCABLE RECEIVED IN SAID CONDUIT AND OPERATIVELY CONNECTED WITH SAID CLOSURE TO MOVE THE CLOSURE TO SAID SEALING POSITION IN RESPONSE TO ADMISSION OF COMPRESSED FLUID TO SAID CONDUIT, SAID PISTON SEALING SAID CONDUIT PORTION FROM SAID SOURCE WHEN THE CLOSURE IS IN OPEN POSITION WHEREBY THE FLUID CAN ENTER SAID CHAMBER ONLY WHEN THE CLOSURE SEALS SAID OPENING.
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) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |