Patent US3333566A successfully refreshed from Google Patents.
US3333566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Developer system for electrostatographic machines
Assignee: American Photocopy Equipment Co
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Filing: 1963-05-06
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Granted: 1967-08-01
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 George C Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:11
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0822; G03G15/0844; G03G15/0877; G03G15/0887; G03G15/0891; G03G15/0893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN AN ELECTROSTATOGRPHIC PRINTING MACHINE, THE COMBINATION COMPRISING, MEANS FOR PASSING SHEETS HAVING AN ELECTROSTATIC IMAGE THEREON SUCCESSIVELY THROUGH SAID MACHINE, A MAGAZINE FOR STORING A SUPPLY OF DEVELOPER COMPOSITION, A BIN FOR CONTAINING DEVELOPER COMPOSITION IN POSITION FOR CONTACTING THE ELECTROSTATIC IMAGE ON SAID SHEETS, A CONSTANT SPEED MOTOR, MEANS DRIVEN BY SAID MOTOR FOR FEEDING DEVELOPER COMPOSITION FROM SAID MAGAZINE TO SAID BIN, A SWITCH FOR SENSING THE LENGTH OF SHEETS PASSING THROUGH THE MACHINE, AN ADJUSTABLE CAM, MEANS INCLUDING SAID SWITCH FOR DRIVING SAID CAM WHENEVER THE SWITCH IS OPERATED, AND MEANS INCLUDING SAID ADJUSTABLE CAM FOR ENERGIZING SAID MOTOR FOR A PERIOD DETERMINED BY THE SETTING OF THE ADJUSTABLE CAM DURING EACH CYCLE OF SAID CAM.
Claim 2
Dependent Claim
120 words
IN AN ELECTROSTATOGRPHIC PRINTING MACHINE, THE COMBINATION COMPRISING, MEANS FOR PASSING SHEETS HAVING AN ELECTROSTATIC IMAGE THEREON SUCCESSIVELY THROUGH SAID MACHINE, A MAGAZINE FOR STORING A SUPPLY OF DEVELOPER COMPOSITION, A BIN FOR CONTAINING DEVELOPER COMPOSITION IN POSITION FOR CONTACTING THE ELECTROSTATIC IMAGE ON SAID SHEETS, A CONSTANT SPEED MOTOR, MEANS DRIVEN BY SAID MOTOR FOR FEEDING DEVELOPER COMPOSITION FROM SAID MAGAZINE TO SAID BIN, A SWITCH FOR SENSING THE LENGTH OF SHEETS PASSING THROUGH THE MACHINE, AN ADJUSTABLE CAM, MEANS INCLUDING SAID SWITCH FOR DRIVING SAID CAM WHENEVER THE SWITCH IS OPERATED, AND MEANS INCLUDING SAID ADJUSTABLE CAM FOR ENERGIZING SAID MOTOR FOR A PERIOD DETERMINED BY THE SETTING OF THE ADJUSTABLE CAM DURING EACH CYCLE OF SAID CAM.
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |