Patent US1497379A successfully refreshed from Google Patents.
US3211074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying machine
Assignee: EIDP Inc
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Filing: 1962-11-01
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Granted: 1965-10-12
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Expires: 1982-11-01
Abstract
No abstract record available.
Inventors
- 👤 Heiart Robert Bernard
- 👤 Velvel William Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:27
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PHOTOCOPYING MACHINE COMPRISING A BASE FRAME, VERTICAL PARTITIONS, A LIGHT-PROOF CHAMBER FOR A ROLL OF MATRIX WEB AND AN EXPOSURE AND THERMAL TRANSFER CHAMBER CONTAINING AND SUPPORTED BY SAID PARTITIONS, (A) A TUBULAR LAMP THAT EMITS ACTINIC LIGHT RADIATION, (B) AN EXPOSURE DRUM FOR TRANSPORTING SAID WEB AND AN OPAQUE-IMAGE BEARING SHEET IN SUPERPOSITION PAST SAID LAMP, THEN AROUND A HEATING ROLLER, (C) DEFLECTING MEANS FOR DEFLECTING SAID WEB FROM SAID SHEET, (D) A ROLLER FOR TRANSPORTING SAID DEFLECTED WEB WHILE IN CONTACT WITH A RECEPTOR SHEET,
Claim 2
Dependent Claim
88 words
A PHOTOCOPYING MACHINE COMPRISING A BASE FRAME, VERTICAL PARTITIONS, A LIGHT-PROOF CHAMBER FOR A ROLL OF MATRIX WEB AND AN EXPOSURE AND THERMAL TRANSFER CHAMBER CONTAINING AND SUPPORTED BY SAID PARTITIONS, (A) A TUBULAR LAMP THAT EMITS ACTINIC LIGHT RADIATION, (B) AN EXPOSURE DRUM FOR TRANSPORTING SAID WEB AND AN OPAQUE-IMAGE BEARING SHEET IN SUPERPOSITION PAST SAID LAMP, THEN AROUND A HEATING ROLLER, (C) DEFLECTING MEANS FOR DEFLECTING SAID WEB FROM SAID SHEET, (D) A ROLLER FOR TRANSPORTING SAID DEFLECTED WEB WHILE IN CONTACT WITH A RECEPTOR SHEET,
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |