Patent US4488008A successfully refreshed from Google Patents.
Patent US3068115A successfully refreshed from Google Patents.
US3068115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic emulsion development
Assignee: Xerox Corp
•
Filing: 1961-02-06
•
Granted: 1962-12-11
•
Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 Robert W Gundlach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:40
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/108; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF DEVELOPING AN ELECTROSTATIC LATENT IMAGE BEARING MEMBER CAPABLE OF RETAINING ELECTROSTATIC CHARGES COMPRISING CONTACTING THE MEMBER WITH A BODY OF DIELECTRIC LIQUID, ELECTROSTATICALLY GENERATING WITHIN SAID DIELECTRIC LIQUID A SUPPLY OF FINELY DIVIDED DROPLETS OF A DEVELOPING LIQUID SUBSTANTIALLY IMMISCIBLE WITH SAID DIELECTRIC LIQUID, AND SELECTIVELY ELECTROSTATICALLY ATTRACTING SAID DROPLETS THROUGH SAID BODY OF LIQUID TO SAID LATENT IMAGE BEARING MEMBER IN ACCORDANCE WITH THE LATENT IMAGE THEREON.
Claim 2
Independent Claim
71 words
THE METHOD OF DEVELOPING AN ELECTROSTATIC LATENT IMAGE BEARING MEMBER CAPABLE OF RETAINING ELECTROSTATIC CHARGES COMPRISING CONTACTING THE MEMBER WITH A BODY OF DIELECTRIC LIQUID, ELECTROSTATICALLY GENERATING WITHIN SAID DIELECTRIC LIQUID A SUPPLY OF FINELY DIVIDED DROPLETS OF A DEVELOPING LIQUID SUBSTANTIALLY IMMISCIBLE WITH SAID DIELECTRIC LIQUID, AND SELECTIVELY ELECTROSTATICALLY ATTRACTING SAID DROPLETS THROUGH SAID BODY OF LIQUID TO SAID LATENT IMAGE BEARING MEMBER IN ACCORDANCE WITH THE LATENT IMAGE THEREON.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |