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 09:50
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.
References Cited (Backward Citations)
US1784912A
Cited
US1800692A
Cited
US2210470A
Cited
US2531245A
Cited
US2538864A
Cited
US2767886A
Cited
US2904000A
Cited
US2974632A
Cited
US3011473A
Cited
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 |