US3242316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat employing copying apparatus
Assignee: Lumoprint Zindler KG and Co GmbH
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Filing: 1963-10-04
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Granted: 1966-03-22
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Cranskens Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:04
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A THERMAL-COPYING APPARATUS, COMPRISING, IN COMBINATION: (A) A HOUSING; (B) A HEAT-ABSORBING DRUM FOR ENTRAINMENT OF A THERMALLY TREATABLE COPYING MATERIAL ALONG A ARCUATE TRANSPORT PATH, JOURNALED IN SAID HOUSING; (C) DRIVE MEANS FOR ROTATING SAID DRUM; (D) A FLEXIBLE BELT LOOPED AROUND PART OF THE PERIPHERY OF SAID DRUM AND ENTRAINABLE THEREBY FOR GUIDING SAID COPY OF THERMAL ENERGY ALONG SAID PATH; (E) A SOURCE OF THERMAL ENERGY ALONG SAID PATH; (F) SWITCH MEANS IN SAID HOUSING FOR CONTROLLING SAID SOURCE IN DEPENDENCE UPON THE HEATING EFFECT PRODUCED THEREBY; (G) A THERMALLY EXPANDABLE ELEMENT IN SAID HOUSING ROTATABLY ENTRAINED AT THE PERIPHERAL SPEED OF SAID DRUM FOR GENERATING MOVEMENT IN DEPENDENCE UPON THE HEATING EFFECT OF SAID SOURCE; AND (H) LINK MEANS CONNECTING SAID ELEMENT WITH SAID SWITCH MEANS.
Claim 2
Dependent Claim
131 words
IN A THERMAL-COPYING APPARATUS, COMPRISING, IN COMBINATION: (A) A HOUSING; (B) A HEAT-ABSORBING DRUM FOR ENTRAINMENT OF A THERMALLY TREATABLE COPYING MATERIAL ALONG A ARCUATE TRANSPORT PATH, JOURNALED IN SAID HOUSING; (C) DRIVE MEANS FOR ROTATING SAID DRUM; (D) A FLEXIBLE BELT LOOPED AROUND PART OF THE PERIPHERY OF SAID DRUM AND ENTRAINABLE THEREBY FOR GUIDING SAID COPY OF THERMAL ENERGY ALONG SAID PATH; (E) A SOURCE OF THERMAL ENERGY ALONG SAID PATH; (F) SWITCH MEANS IN SAID HOUSING FOR CONTROLLING SAID SOURCE IN DEPENDENCE UPON THE HEATING EFFECT PRODUCED THEREBY; (G) A THERMALLY EXPANDABLE ELEMENT IN SAID HOUSING ROTATABLY ENTRAINED AT THE PERIPHERAL SPEED OF SAID DRUM FOR GENERATING MOVEMENT IN DEPENDENCE UPON THE HEATING EFFECT OF SAID SOURCE; AND (H) LINK MEANS CONNECTING SAID ELEMENT WITH SAID SWITCH MEANS.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |