Patent US3041931A successfully refreshed from Google Patents.
Patent US3308737A successfully refreshed from Google Patents.
US3308737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for applying a treating solution to sensitized copying paper
Assignee: Fujifilm Holdings Corp
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Filing: 1964-06-09
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Granted: 1967-03-14
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Fukuda Susumu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:42
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/06; G03D5/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A DEVICE FOR APPLYING A TREATING SOLUTION TO SENSITIZED COPYING PAPER COMPRISING, IN COMBINATION, A HOUSING; A TANK POSITIONED IN SAID HOUSING AND HAVING A BILGESHAPE BOTTOM, SAID TANK BEING ARRANGED TO CONTAIN A TREATMENT LIQUID; TWO PAIRS OF ROLLERS, EACH INCLUDING AN UPPER AND A LOWER ROLLER, ROTATABLY MOUNTED IN SAID HOUSING ABOVE SAID TANK AND EXTENDING SUBSTANTIALLY PARALLEL TO THE LONGER DIMENSION OF THE BILGE; A FIFTH ROLLER ROTATABLY MOUNTED TO EXTEND LONGITUDINALLY OF THE BILGE IN SAID BOTTOM; AND AN ENDLESS BELT OF ABSORPTIVE MATERIAL TRAINED BETWEEN THE ROLLERS OF THE TWO PAIRS AND UNDER SAID FIFTH ROLLER, IN THE BILGE, FOR IMMERSION IN THE LIQUID IN THE TANK, THE BELT TRAVELING ALONG AN INVERTED TRIANGULAR PATH; THE COPYING PAPER BEING INSERTED INTO THE NIP OF ONE PAIR OF ROLLERS FOR PASSAGE BETWEEN THE TWO PAIRS OF ROLLERS IN CONTACT WITH THE LIQUID ABSORBED IN SAID BELT, FOR CONTINUOUS TREATMENT OF COPYING PAPER UNTIL THE LIQUID LEVEL IN THE BILGE FALLS BELOW THE PORTION OF SAID BELT TRAINED UNDER SAID FIFTH ROLLER.
Claim 2
Independent Claim
175 words
A DEVICE FOR APPLYING A TREATING SOLUTION TO SENSITIZED COPYING PAPER COMPRISING, IN COMBINATION, A HOUSING; A TANK POSITIONED IN SAID HOUSING AND HAVING A BILGESHAPE BOTTOM, SAID TANK BEING ARRANGED TO CONTAIN A TREATMENT LIQUID; TWO PAIRS OF ROLLERS, EACH INCLUDING AN UPPER AND A LOWER ROLLER, ROTATABLY MOUNTED IN SAID HOUSING ABOVE SAID TANK AND EXTENDING SUBSTANTIALLY PARALLEL TO THE LONGER DIMENSION OF THE BILGE; A FIFTH ROLLER ROTATABLY MOUNTED TO EXTEND LONGITUDINALLY OF THE BILGE IN SAID BOTTOM; AND AN ENDLESS BELT OF ABSORPTIVE MATERIAL TRAINED BETWEEN THE ROLLERS OF THE TWO PAIRS AND UNDER SAID FIFTH ROLLER, IN THE BILGE, FOR IMMERSION IN THE LIQUID IN THE TANK, THE BELT TRAVELING ALONG AN INVERTED TRIANGULAR PATH; THE COPYING PAPER BEING INSERTED INTO THE NIP OF ONE PAIR OF ROLLERS FOR PASSAGE BETWEEN THE TWO PAIRS OF ROLLERS IN CONTACT WITH THE LIQUID ABSORBED IN SAID BELT, FOR CONTINUOUS TREATMENT OF COPYING PAPER UNTIL THE LIQUID LEVEL IN THE BILGE FALLS BELOW THE PORTION OF SAID BELT TRAINED UNDER SAID FIFTH ROLLER.
References Cited (Backward Citations)
US1705450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |