Patent US3263557A successfully refreshed from Google Patents.
US3263557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Document recording systems
Assignee: General Electric Co
•
Filing: 1963-02-26
•
Granted: 1966-08-02
•
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 22:38
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
References Cited (Backward Citations)
US3011963A
Cited
US3002434A
Cited
US3082085A
Cited
US3051044A
Cited
US3115075A
Cited
US3100427A
Cited
US3055006A
Cited
US3196011A
Cited
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 |