Patent US3481775A successfully refreshed from Google Patents.
US3481775A
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US
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Electrostatic printing media
Assignee: Borg Warner Corp
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Filing: 1965-10-18
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Granted: 1969-12-02
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Albertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:36
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/10; G03G5/101; G03G5/02; G03G5/0202; G03G5/0217; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A NON-BLOCKING, PRESSURE-FIXING, ELECTROSTATIC PRINTING MEDIA ADAPTED TO BE USED WITH DRY INK POWDER, COMPRISING AN ELECTRICALLY CONDUCTIVE PAPER SUBSTRATE HAVING A DIELECTRIC COMPOSITION THERON, SAID COATING COMPOSITION SELECTED FROM THE GROUP CONSISTING OF REINFORCED WAX AND OXIDIZED HYDROCARBON POLYMERS, SAID COATING COMPOSITION CHARACTERIZED IN HAVING A CHARGE HALF-LIFE OF AT LEAST SIX MINUTES UNDER HUMIDITY CONDITIONS IN EXCESS OF 50 PERCENT RELATIVE HUMIDITY.
Claim 2
Dependent Claim
64 words
A NON-BLOCKING, PRESSURE-FIXING, ELECTROSTATIC PRINTING MEDIA ADAPTED TO BE USED WITH DRY INK POWDER, COMPRISING AN ELECTRICALLY CONDUCTIVE PAPER SUBSTRATE HAVING A DIELECTRIC COMPOSITION THERON, SAID COATING COMPOSITION SELECTED FROM THE GROUP CONSISTING OF REINFORCED WAX AND OXIDIZED HYDROCARBON POLYMERS, SAID COATING COMPOSITION CHARACTERIZED IN HAVING A CHARGE HALF-LIFE OF AT LEAST SIX MINUTES UNDER HUMIDITY CONDITIONS IN EXCESS OF 50 PERCENT RELATIVE HUMIDITY.
References Cited (Backward Citations)
US3052539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |