Patent US3124482A successfully refreshed from Google Patents.
US3124482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for developing
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:52
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
APPARATUS FOR DEVELOPING ELECTROSTATIC IMAGES COMPRISING A CONTAINER FOR A SUPPLY OF FINELY-DIVIDED ELECTROSCOPIC DEVELOPER PARTICLES, A PORTION OF SAID CONTAINER DEFINING AN OPENING COVERED WITH A MATERIAL ADAPTED TO CONTACT AN ELECTROSTATIC IMAGE BEARING SURFACE, THE PORES IN SAID MATERIAL BEING OF THE SIZE TO PERMIT DEVELOPER PARTICLES TO BE ELECTROSTATICALLY DRAWN THERETHROUGH; AND MEANS FOR MOVING ONE OF SAID TROUGH AND SAID IMAGE BEARING SURFACE WITH RESPECT TO THE OTHER WITH SAID MATERIAL IN CONTACT WITH SAID IMAGE BEARING SURFACE.
Claim 2
Dependent Claim
82 words
APPARATUS FOR DEVELOPING ELECTROSTATIC IMAGES COMPRISING A CONTAINER FOR A SUPPLY OF FINELY-DIVIDED ELECTROSCOPIC DEVELOPER PARTICLES, A PORTION OF SAID CONTAINER DEFINING AN OPENING COVERED WITH A MATERIAL ADAPTED TO CONTACT AN ELECTROSTATIC IMAGE BEARING SURFACE, THE PORES IN SAID MATERIAL BEING OF THE SIZE TO PERMIT DEVELOPER PARTICLES TO BE ELECTROSTATICALLY DRAWN THERETHROUGH; AND MEANS FOR MOVING ONE OF SAID TROUGH AND SAID IMAGE BEARING SURFACE WITH RESPECT TO THE OTHER WITH SAID MATERIAL IN CONTACT WITH SAID IMAGE BEARING SURFACE.
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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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |