Patent US3139904A successfully refreshed from Google Patents.
US3139904A
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Means for circulating a liquid through a processing apparatus
Assignee: Eastman Kodak Co
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Filing: 1963-06-12
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Granted: 1964-07-07
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Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Wengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:02
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954; Y10T137/86236
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
AN ARRANGEMENT FOR CIRCULATING A LIQUID IN A TREATING APPARATUS COMPRISING: A TREATING CONTAINER FOR RECEIVING THE LIQUID; A RESERVOIR DISPOSED BELOW THE TREATING CONTAINER FOR HOLDING A SUPPLY OF THE LIQUID; FIRST AND SECOND CONDUIT MEANS INTERCONNECTING THE CONTAINER AND RESERVOIR; PUMP MANS AT ONE END OF ONE OF SAID CONDUIT MEANS FOR PUMPING LIQUID FROM THE RESERVOIR UPWARDLY TO THE CONTAINER; MEANS IN THE CONTAINER AT THE UPPER END OF THE OTHER OF SAID CONDUIT MEANS FOR CONTROLLING THE LEVEL OF THE LIQUID IN THE CONTAINER BACK TO THE RESERVOIR; AND MEANS FOR GUIDING THE MOVABLE CONTROLLING MEANS TO A POSITION OUT OF THE CONTAINER.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |