US3263557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Document recording systems
Assignee: General Electric Co
•
Filing: 1963-02-26
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Granted: 1966-08-02
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Expires: 1983-02-26
Abstract
No abstract record available.
Inventors
- 👤 David R Cunningham
- 👤 Charles E Cady
- 👤 John D Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:23
CPC Classifications
G; G03; G03G; G03G16/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A MICRO IMAGE RECORDING SYSTEM EMPLOYING A THERMOPLASTIC RECORDING MEDIUM, EXPOSURE MEANS FOR DEVELOPING AN ELECTROSTATIC CHARGE PATTERN CORRESPONDING TO AN IMAGE TO THE RECORDED ON A DISCRETE AREA OF SAID MEDIUM; HEATING MEANS OPERATIVE IN RESPONSE TO FIRST AND SECOND SIGNAL CONDITIONS TO GENERATE A FIRST OR SECOND AMOUNT OF HEAT RESPECTIVELY, IN THE AREA PROXIMATE THERETO, SAID SECOND AMOUNT OF HEAT EXCEEDING SAID FIRST AMOUNT OF HEAT; PROJECTION MEANS OPERATIVE TO PRODUCE A VISUAL IMAGE CORRESPONDING TO THE SURFACE IMPRESSIONS ON AREAS OF SAID RECORDING MEDIUM THAT ARE PROXIMATE THERETO; ERASING CONTROL MEANS AUTOMATICALLY OPERATIVE TO SUCCESSIVELY REMOVE THE DISCRETE AREA OF SAID MEDIUM IN PROXIMITY TO SAID PROJECTION MEANS TO A POSITION IN PROXIMITY TO SAID HEATING MEANS, TO APPLY SAID SECOND
Claim 2
Dependent Claim
126 words
IN A MICRO IMAGE RECORDING SYSTEM EMPLOYING A THERMOPLASTIC RECORDING MEDIUM, EXPOSURE MEANS FOR DEVELOPING AN ELECTROSTATIC CHARGE PATTERN CORRESPONDING TO AN IMAGE TO THE RECORDED ON A DISCRETE AREA OF SAID MEDIUM; HEATING MEANS OPERATIVE IN RESPONSE TO FIRST AND SECOND SIGNAL CONDITIONS TO GENERATE A FIRST OR SECOND AMOUNT OF HEAT RESPECTIVELY, IN THE AREA PROXIMATE THERETO, SAID SECOND AMOUNT OF HEAT EXCEEDING SAID FIRST AMOUNT OF HEAT; PROJECTION MEANS OPERATIVE TO PRODUCE A VISUAL IMAGE CORRESPONDING TO THE SURFACE IMPRESSIONS ON AREAS OF SAID RECORDING MEDIUM THAT ARE PROXIMATE THERETO; ERASING CONTROL MEANS AUTOMATICALLY OPERATIVE TO SUCCESSIVELY REMOVE THE DISCRETE AREA OF SAID MEDIUM IN PROXIMITY TO SAID PROJECTION MEANS TO A POSITION IN PROXIMITY TO SAID HEATING MEANS, TO APPLY SAID SECOND
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |