Patent US3089953A successfully refreshed from Google Patents.
US3089953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reproduction process
Assignee: Kalle GmbH and Co KG
•
Filing: 1960-04-13
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Granted: 1963-05-14
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Expires: 1980-04-13
Abstract
No abstract record available.
Inventors
- 👤 Lind Erwin
- 👤 Munder Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:56
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/04; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A REPRODUCTION PROCESS WHICH COMPRISES PLACING A MASTER IN INDIRECT CONTACT WITH AN ELECTROSTATICALLY CHARGED REPRODUCTION SURFACE, AN INTERMEDIATE HEAT RAY TRANSMITTING AND HEAT CONDITION INHIBITING LAYER BEING BETWEEN THE MASTER AND CHARGE SURFACE, IRRADIATING THE SUPERPOSED LAYERS WHILE UTILIZING A HEAT ABSORBING AGENT TO EFFECT PREFERENTIAL HEATING OF THOSE PARTS OF THE REPRODUCTION SURFACE WHICH CORRESPOND TO THE IMAGE FREE AREAS OF THE MASTER, AND DEVELOPING THE INVISIBLE ELECTROSTATIC IMAGE THEREBY PRODUCED ON THE REPRODUCTION SURFACE TO PRODUCE A VISIBLE IMAGE.
Claim 2
Dependent Claim
82 words
A REPRODUCTION PROCESS WHICH COMPRISES PLACING A MASTER IN INDIRECT CONTACT WITH AN ELECTROSTATICALLY CHARGED REPRODUCTION SURFACE, AN INTERMEDIATE HEAT RAY TRANSMITTING AND HEAT CONDITION INHIBITING LAYER BEING BETWEEN THE MASTER AND CHARGE SURFACE, IRRADIATING THE SUPERPOSED LAYERS WHILE UTILIZING A HEAT ABSORBING AGENT TO EFFECT PREFERENTIAL HEATING OF THOSE PARTS OF THE REPRODUCTION SURFACE WHICH CORRESPOND TO THE IMAGE FREE AREAS OF THE MASTER, AND DEVELOPING THE INVISIBLE ELECTROSTATIC IMAGE THEREBY PRODUCED ON THE REPRODUCTION SURFACE TO PRODUCE A VISIBLE IMAGE.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |