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US3326618A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of manufacturing a photo-conductor device

Assignee: GTE Sylvania Inc
•
Filing: 1963-03-04
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Granted: 1967-06-20
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Expires: 1983-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 Charles C Casamo
  • 👤 Donald R Kerstetter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:38
CPC Classifications
H; H10; H10F; H10F30/00; H10F71/00; Y; Y10; Y10S; Y10S65/00; Y10S65/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 160 words
A PROCESS ADAPTED TO THE MANUFACTURE OF PHOTOCONDUCTIVE DEVICES COMPRISING: FIRING AN ENVELOPE AND A SUPPORTING STRUCTURE IN A DRY AND INERT ATMOSPHERE AT A TEMPERATURE AND FOR A PERIOD SUFFICIENT TO CAUSE DEHYDRATION THEREOF, SAID ENVELOPE HAVING AT LEAST A LIGH-FREQUENCY TRANSPARENT PORTION AND SAID SUPPORTING STRUCTURE HAVING A LIGHTFREQUENCY RESPONSIVE ELEMENT THEREON; CONTACTING SAID ENVELOPE AND SUPPORTING STRUCTURE AT A JOINTURE POSITION TO PROVIDE ENCLOSURE THEREBETWEEN OF SAID RESPONSIVE ELEMENT AND ALIGNMENT THEREOF WITH SAID TRANSPARENT PORTION, SAID CONTACT BEING PROVIDED WITHOUT THE REMOVAL OF SAID ENVELOPE AND SUPPORTING STRUCTURE FROM A DRY AND INERT ATMOSPHERE; FORCING SAID ENVELOPE AGAINST SAID RESPONSIVE ELEMENT TO PROVIDE A HEAT CONDUCTION PATH THEREFROM AND A REDUCTION OF VOLUME INTERMEDIATE SAID ENVELOPE AND SAID SUPPORTING STRUCTURE; HEATING SAID CONTACTING ENVELOPE AND SUPPORTING STRUCTURE AT SAID JOINTURE POSITION TO CAUSE THE SEALING THEREOF; AND DISCHARGING SAID ENVELOPE AND SUPPORT STRUCTURE WITH THE LIGHT-FREQUENCY RESPONSIVE PORTION SEALED THEREBETWEEN FROM SAID DRY AND INERT ATMOSPHERE.
Claim 2
Dependent Claim 160 words
A PROCESS ADAPTED TO THE MANUFACTURE OF PHOTOCONDUCTIVE DEVICES COMPRISING: FIRING AN ENVELOPE AND A SUPPORTING STRUCTURE IN A DRY AND INERT ATMOSPHERE AT A TEMPERATURE AND FOR A PERIOD SUFFICIENT TO CAUSE DEHYDRATION THEREOF, SAID ENVELOPE HAVING AT LEAST A LIGH-FREQUENCY TRANSPARENT PORTION AND SAID SUPPORTING STRUCTURE HAVING A LIGHTFREQUENCY RESPONSIVE ELEMENT THEREON; CONTACTING SAID ENVELOPE AND SUPPORTING STRUCTURE AT A JOINTURE POSITION TO PROVIDE ENCLOSURE THEREBETWEEN OF SAID RESPONSIVE ELEMENT AND ALIGNMENT THEREOF WITH SAID TRANSPARENT PORTION, SAID CONTACT BEING PROVIDED WITHOUT THE REMOVAL OF SAID ENVELOPE AND SUPPORTING STRUCTURE FROM A DRY AND INERT ATMOSPHERE; FORCING SAID ENVELOPE AGAINST SAID RESPONSIVE ELEMENT TO PROVIDE A HEAT CONDUCTION PATH THEREFROM AND A REDUCTION OF VOLUME INTERMEDIATE SAID ENVELOPE AND SAID SUPPORTING STRUCTURE; HEATING SAID CONTACTING ENVELOPE AND SUPPORTING STRUCTURE AT SAID JOINTURE POSITION TO CAUSE THE SEALING THEREOF; AND DISCHARGING SAID ENVELOPE AND SUPPORT STRUCTURE WITH THE LIGHT-FREQUENCY RESPONSIVE PORTION SEALED THEREBETWEEN FROM SAID DRY AND INERT ATMOSPHERE.

References Cited (Backward Citations)

US1736766A Cited
US2274400A Cited
US2879424A Cited
US2996347A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-06-19 1970-12-19 1971-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-19 1974-12-19 1975-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-19 1978-12-19 1979-06-20 $7700.00 Window Closed / Lapsed

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