US3276424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the development of latent electrostatic images
Assignee: Azoplate Corp
•
Filing: 1963-06-20
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Granted: 1966-10-04
•
Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 Marx Gerhard
- 👤 Winkelmann Detlef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:58
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/101; G03G15/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN APPARATUS FOR DEVELOPING A LATENT ELECTROSTATIC IMAGE WHICH COMPRISES A ROTATABLE ROLL FOR APPLYING DEVELOPER TO THE IMAGE, MEANS FOR APPLYING DEVELOPER TO THE ROLL, MEANS FOR INTRODUCING AN EDGE OF AN ELECTROPHOTOGRAHPIC MATERIAL BEARING AN ELECTROSTATIC IMAGE AGAINST THE ROLL IN THE DIRECTION OF A CHORD OF THE LATTER, A FIRST STATIONARY LINEAR SUPPORT MOUNTED PARALLEL TO THE ROLL AXIS ADJACENT THE SURFACE OF THE ROLL IN THE DIRECTION OF THE CHORD WHEREBY THE ELECTROPHOTOGRAPHIC MATERIAL IS BENT AND FORCED AGAINST THE DEVELOPER ON THE SURFACE OF THE ROLL, AND AT LEAST ONE ADDITIONAL STATIONARY LINEAR SUPPORT MOUNTED PARALLEL TO THE ROLL SURFACE AT THE ROLL SURFACE AND A LINE TANGENT TO ROLL SURFACE AT THE POINT OF INTERSECTION OF THE LATTER WITH THE CHORD WHEREBY THE ELECTROPHOTOGRAPHIC MATERIAL IS FURTHER GUIDED AFTER INITIAL CONTACT WITH THE ROLL.
Claim 2
Independent Claim
140 words
AN APPARATUS FOR DEVELOPING A LATENT ELECTROSTATIC IMAGE WHICH COMPRISES A ROTATABLE ROLL FOR APPLYING DEVELOPER TO THE IMAGE, MEANS FOR APPLYING DEVELOPER TO THE ROLL, MEANS FOR INTRODUCING AN EDGE OF AN ELECTROPHOTOGRAHPIC MATERIAL BEARING AN ELECTROSTATIC IMAGE AGAINST THE ROLL IN THE DIRECTION OF A CHORD OF THE LATTER, A FIRST STATIONARY LINEAR SUPPORT MOUNTED PARALLEL TO THE ROLL AXIS ADJACENT THE SURFACE OF THE ROLL IN THE DIRECTION OF THE CHORD WHEREBY THE ELECTROPHOTOGRAPHIC MATERIAL IS BENT AND FORCED AGAINST THE DEVELOPER ON THE SURFACE OF THE ROLL, AND AT LEAST ONE ADDITIONAL STATIONARY LINEAR SUPPORT MOUNTED PARALLEL TO THE ROLL SURFACE AT THE ROLL SURFACE AND A LINE TANGENT TO ROLL SURFACE AT THE POINT OF INTERSECTION OF THE LATTER WITH THE CHORD WHEREBY THE ELECTROPHOTOGRAPHIC MATERIAL IS FURTHER GUIDED AFTER INITIAL CONTACT WITH THE ROLL.
References Cited (Backward Citations)
US447012A
Cited
US3124484A
Cited
US1913132A
Cited
US2094348A
Cited
US2357809A
Cited
US2533228A
Cited
US3083684A
Cited
US3096198A
Cited
US2991754A
Cited
US3084043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |