US3167455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Developer for facsimile printing machine
Assignee: AB Dick Co
•
Filing: 1963-01-31
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Granted: 1965-01-26
•
Expires: 1983-01-31
Abstract
No abstract record available.
Inventors
- 👤 Wallace J Laben
- 👤 Carl G Robbins
- 👤 John C Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:34
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/09; H; H04; H04N; H04N1/00; H04N1/23; H04N1/29; G03G2215/00; G03G2215/08; G03G2215/0802; G03G2215/0816; G03G2215/0827; G03G2215/0833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN A DEVELOPER UTILIZING A POWDERED DEVELOPER COMPOSITION HAVING A COMPONENT MADE OF MAGNETIC MATERIAL, THE COMBINATION COMPRISING FIRST AND SECOND APPLICATOR ROLLERS HAVING MAGNETIC MEANS THEREIN FOR ATTRACTING THE POWDERED DEVELOPER COMPOSITION, MEANS FOR ROTATING SAID FIRST AND SECOND ROLLERS IN THE SAME DIRECTION, A TRANSFER SCRAPER DISPOSED IN AN INCLINED POSITION BETWEEN SAID ROLLERS AND HAVING A FIRST EDGE ADJACENT SAID FIRST ROLLER AND A SECOND EDGE ADJACENT SAID SECOND ROLLER FOR TRANSFERRING THE DEVELOPER COMPOSITION BETWEEN SAID FIRST AND SECOND ROLLERS, A RECEPTACLE UNDER SAID ROLLER FOR RECEIVING THE DEVELOPER COMPOSITION, FIRST AND SECOND CONTROL SCRAPERS MOVABLE TOWARD AND AWAY FROM SAID FIRST AND SECOND ROLLERS FOR REMOVING THE DEVELOPER COMPOSITION FROM SAID ROLLERS TO STOP AND START THE OPERATION OF THE DEVELOPER, SAID TRANSFER SCRAPER BEING CONNECTED TO SAID SECOND CONTROL SCRAPER AND BEING MOVABLE AWAY FROM SAID FIRST AND SECOND ROLLERS WHEN SAID SECOND CONTROL SCRAPER IS MOVED TOWARD SAID SECOND ROLLER, AND MEANS FOR SELECTIVELY MOVING SAID FIRST AND SECOND CONTROL SCRAPER TOWARD AND AWAY FROM SAID FIRST AND SECOND ROLLERS FOR CONTROLLING THE OPERATION OF THE DEVELOPER.
Claim 2
Dependent Claim
184 words
IN A DEVELOPER UTILIZING A POWDERED DEVELOPER COMPOSITION HAVING A COMPONENT MADE OF MAGNETIC MATERIAL, THE COMBINATION COMPRISING FIRST AND SECOND APPLICATOR ROLLERS HAVING MAGNETIC MEANS THEREIN FOR ATTRACTING THE POWDERED DEVELOPER COMPOSITION, MEANS FOR ROTATING SAID FIRST AND SECOND ROLLERS IN THE SAME DIRECTION, A TRANSFER SCRAPER DISPOSED IN AN INCLINED POSITION BETWEEN SAID ROLLERS AND HAVING A FIRST EDGE ADJACENT SAID FIRST ROLLER AND A SECOND EDGE ADJACENT SAID SECOND ROLLER FOR TRANSFERRING THE DEVELOPER COMPOSITION BETWEEN SAID FIRST AND SECOND ROLLERS, A RECEPTACLE UNDER SAID ROLLER FOR RECEIVING THE DEVELOPER COMPOSITION, FIRST AND SECOND CONTROL SCRAPERS MOVABLE TOWARD AND AWAY FROM SAID FIRST AND SECOND ROLLERS FOR REMOVING THE DEVELOPER COMPOSITION FROM SAID ROLLERS TO STOP AND START THE OPERATION OF THE DEVELOPER, SAID TRANSFER SCRAPER BEING CONNECTED TO SAID SECOND CONTROL SCRAPER AND BEING MOVABLE AWAY FROM SAID FIRST AND SECOND ROLLERS WHEN SAID SECOND CONTROL SCRAPER IS MOVED TOWARD SAID SECOND ROLLER, AND MEANS FOR SELECTIVELY MOVING SAID FIRST AND SECOND CONTROL SCRAPER TOWARD AND AWAY FROM SAID FIRST AND SECOND ROLLERS FOR CONTROLLING THE OPERATION OF THE DEVELOPER.
References Cited (Backward Citations)
US3003462A
Cited
US2979026A
Cited
US3032009A
Cited
US3098765A
Cited
US3088386A
Cited
US3081737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |