Patent US3286077A successfully refreshed from Google Patents.
US3286077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-zoned press head
Assignee: McGraw Edison Co
•
Filing: 1964-11-23
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Granted: 1966-11-15
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 David L Radford
- 👤 Burlin D Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
D; D06; D06F; D06F71/00; D06F71/32; D06F71/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A HEAT-ZONED PRESS HEAD COMPRISING: (A) A METAL PRESSING PLATEN, (B) AT LEAST TWO COMPLEMENTS OF HEATER ELEMENTS, EACH ARRANGED OVER DIFFERENT AREAL OR ZONAL PORTIONS OF THE PLATEN, (C) HEAT-CONDUCTIVE MASTIC DIRECTLY AND FIXEDLY CONNECTING EACH HEATER ELEMENT OF BOTH SAID COMPLEMENTS TO THE SURFACE OF THE PLATEN OPPOSITE TO THE PRESSING SURFACE THEREOF FOR CONDUCTING THE HEAT OF SAID ELEMENTS DIRECTLY TO THE PLATEN, (D) MEANS TO INDIVIDUALLY HEAT SAID COMPLEMENTS OF HEATER ELEMENTS, (E) A TEMPERATURE-SENSITIVE DEVICE HAVING DIRECT PHYSICAL CONTACT WITH THE PLATEN WITHIN THE AREAL OF ZONAL PORTION IN WHICH EACH COMPLEMENT OF HEATER ELEMENTS IS LOCATED, AND
Claim 2
Dependent Claim
103 words
A HEAT-ZONED PRESS HEAD COMPRISING: (A) A METAL PRESSING PLATEN, (B) AT LEAST TWO COMPLEMENTS OF HEATER ELEMENTS, EACH ARRANGED OVER DIFFERENT AREAL OR ZONAL PORTIONS OF THE PLATEN, (C) HEAT-CONDUCTIVE MASTIC DIRECTLY AND FIXEDLY CONNECTING EACH HEATER ELEMENT OF BOTH SAID COMPLEMENTS TO THE SURFACE OF THE PLATEN OPPOSITE TO THE PRESSING SURFACE THEREOF FOR CONDUCTING THE HEAT OF SAID ELEMENTS DIRECTLY TO THE PLATEN, (D) MEANS TO INDIVIDUALLY HEAT SAID COMPLEMENTS OF HEATER ELEMENTS, (E) A TEMPERATURE-SENSITIVE DEVICE HAVING DIRECT PHYSICAL CONTACT WITH THE PLATEN WITHIN THE AREAL OF ZONAL PORTION IN WHICH EACH COMPLEMENT OF HEATER ELEMENTS IS LOCATED, AND
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |