Patent US3070900A successfully refreshed from Google Patents.
US3070900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic fixing apparatus
Assignee: Xerox Corp
•
Filing: 1958-02-28
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Granted: 1963-01-01
•
Expires: 1978-02-28
Abstract
No abstract record available.
Inventors
- 👤 Leon C Lot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:37
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
258 words
A DEVICE FOR FIXING XEROGRAPHIC POWDER IMAGES ON SUPPORT MATERIAL INCLUDING AN ENCLOSURE HAVING SLOTS THEREIN FOR THE PASSAGE OF A SUPPORT MATERIAL, A BOX HAVING A RELATIVELY NARROW OPENING EXTENDING ALONG THE TOP OF AND AT ONE END OF THE BOX MOUNTED IN SAID ENCLOSURE, A DIVIDER PLATE FASTENED TO A BOTTOM WALL OF SAID BOX AND EXTENDING UP TO THE OPENING AND DIVIDING THE INTERIOR OF SAID BOX INTO FIRST AND SECOND COMPARTMENTS, SAID DIVIDER PLATE DIVIDING SAID OPENING AND DIVIDING THE INTERIOR OF BOTH COEXTENSIVE WITH THE ORIGINAL OPENING AND EACH COMMUNICATING WITH A RESPECTIVE COMPARTMENT, A HEATER ELEMENT MOUNTED IN HEAT EXCHANGE RELATIONSHIP TO SAID FIRST COMPARTMENT, AN AIR COMPRESSOR HAVING AN INLET CONDUIT AND AN OUTLET CONDUIT MOUNTED IN SAID ENCLOSURE, SAID OUTLET CONDUIT OF SAID AIR COMPRESSOR BEING CONNECTED TO SAID FIRST COMPARTMENT, EXHAUST MEANS IN COMMUNICATION WITH SAID SECOND COMPARTMENT AND THE EXTERIOR OF SAID ENCLOSURE, AND A VAPOR FUSER SECURED IN SAID ENCLOSURE, SAID VAPOR FUSER HAVING SOLVENT VAPOR OUTLET CONDUITS IN LINE WITH THE OPENING IN THE TOP OF SAID BOX SO THAT A SUPPORT MATERIAL WITH POWDER IMAGES THEREON MAY FIRST PASS LENGTHWISE OVER THE ALIGNED VAPOR OUTLET CONDUITS OF SAID VAPOR FUSER WHEREBY THE POWDER IMAGES ARE FUSED TO THE SUPPORT MATERIAL AND THEN LENGTHWISE OVER THE OPENING IN SAID BOX WHERE THE IMAGES ARE DRIED, AND WHEREBY THE SOLVENT VAPOR FUMES IN SAID ENCLOSURE ARE SUCKED UP BY THE INLET OF SAID AIR COMPRESSOR AND DISCHARGED THROUGH SAID FIRST AND SECOND COMPARTMENT INTO SAID EXHAUST MEANS.
Claim 2
Independent Claim
258 words
A DEVICE FOR FIXING XEROGRAPHIC POWDER IMAGES ON SUPPORT MATERIAL INCLUDING AN ENCLOSURE HAVING SLOTS THEREIN FOR THE PASSAGE OF A SUPPORT MATERIAL, A BOX HAVING A RELATIVELY NARROW OPENING EXTENDING ALONG THE TOP OF AND AT ONE END OF THE BOX MOUNTED IN SAID ENCLOSURE, A DIVIDER PLATE FASTENED TO A BOTTOM WALL OF SAID BOX AND EXTENDING UP TO THE OPENING AND DIVIDING THE INTERIOR OF SAID BOX INTO FIRST AND SECOND COMPARTMENTS, SAID DIVIDER PLATE DIVIDING SAID OPENING AND DIVIDING THE INTERIOR OF BOTH COEXTENSIVE WITH THE ORIGINAL OPENING AND EACH COMMUNICATING WITH A RESPECTIVE COMPARTMENT, A HEATER ELEMENT MOUNTED IN HEAT EXCHANGE RELATIONSHIP TO SAID FIRST COMPARTMENT, AN AIR COMPRESSOR HAVING AN INLET CONDUIT AND AN OUTLET CONDUIT MOUNTED IN SAID ENCLOSURE, SAID OUTLET CONDUIT OF SAID AIR COMPRESSOR BEING CONNECTED TO SAID FIRST COMPARTMENT, EXHAUST MEANS IN COMMUNICATION WITH SAID SECOND COMPARTMENT AND THE EXTERIOR OF SAID ENCLOSURE, AND A VAPOR FUSER SECURED IN SAID ENCLOSURE, SAID VAPOR FUSER HAVING SOLVENT VAPOR OUTLET CONDUITS IN LINE WITH THE OPENING IN THE TOP OF SAID BOX SO THAT A SUPPORT MATERIAL WITH POWDER IMAGES THEREON MAY FIRST PASS LENGTHWISE OVER THE ALIGNED VAPOR OUTLET CONDUITS OF SAID VAPOR FUSER WHEREBY THE POWDER IMAGES ARE FUSED TO THE SUPPORT MATERIAL AND THEN LENGTHWISE OVER THE OPENING IN SAID BOX WHERE THE IMAGES ARE DRIED, AND WHEREBY THE SOLVENT VAPOR FUMES IN SAID ENCLOSURE ARE SUCKED UP BY THE INLET OF SAID AIR COMPRESSOR AND DISCHARGED THROUGH SAID FIRST AND SECOND COMPARTMENT INTO SAID EXHAUST MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |