Patent US3409537A successfully refreshed from Google Patents.
US3409537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating polymeric film in an electrostatic field having an adjustable electrode
Assignee: Clemson Industries Inc
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Filing: 1965-12-07
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Granted: 1968-11-05
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Expires: 1985-12-07
Abstract
No abstract record available.
Inventors
- 👤 James R Cannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:18
CPC Classifications
H; H01; H01T; H01T19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN AN APPARATUS FOR TREATING FILM IN AN ELECTROSTATIC FIELD INCLUDING A FIRST ELECTRODE AND A SECOND ELECTRODE IN THE SHAPE OF A ROLLER ADJACENT THE FIRST ELECTRODE, SUBSTANTIALLY AXIALLY PARALLEL TO SAID FIRST ELECTRODE AND ADAPTED TO CREATE AN ELECTROSTATIC FIELD WITH SAID FIRST ELECTRODE, AND MEANS FOR SUPPLYING AN ELECTRICAL CURRENT SAID ELECTRODES CAUSING SAID ELECTROSTATIC FIELD TO BE SUPPORTED THEREBETWEEN, THE IMPROVEMENT WHEREIN SAID FIRST ELECTRODE INCLUDES AN ELONGATED ELECTRODE PORTION, AND AT LEAST ONE ELECTRODE ELEMENT AT LEAST AT ONE SIDE OF SAID ELONGATED ELECTRODE PORTION, MEANS CONNECTING SAID ELECTRODE ELEMENT TO SAID ELONGATED ELECTRODE PORTION ALLOWING SELECTIVE MOVEMENTS OF SAID ELECTRODE ELEMENT RADIALLY AWAY FROM SAID AXIS OF SAID SECOND ELECTRODE TO REDUCE THE EFFECTIVE LENGTH OF SAID FIRST ELECTRODE.
Claim 2
Dependent Claim
125 words
IN AN APPARATUS FOR TREATING FILM IN AN ELECTROSTATIC FIELD INCLUDING A FIRST ELECTRODE AND A SECOND ELECTRODE IN THE SHAPE OF A ROLLER ADJACENT THE FIRST ELECTRODE, SUBSTANTIALLY AXIALLY PARALLEL TO SAID FIRST ELECTRODE AND ADAPTED TO CREATE AN ELECTROSTATIC FIELD WITH SAID FIRST ELECTRODE, AND MEANS FOR SUPPLYING AN ELECTRICAL CURRENT SAID ELECTRODES CAUSING SAID ELECTROSTATIC FIELD TO BE SUPPORTED THEREBETWEEN, THE IMPROVEMENT WHEREIN SAID FIRST ELECTRODE INCLUDES AN ELONGATED ELECTRODE PORTION, AND AT LEAST ONE ELECTRODE ELEMENT AT LEAST AT ONE SIDE OF SAID ELONGATED ELECTRODE PORTION, MEANS CONNECTING SAID ELECTRODE ELEMENT TO SAID ELONGATED ELECTRODE PORTION ALLOWING SELECTIVE MOVEMENTS OF SAID ELECTRODE ELEMENT RADIALLY AWAY FROM SAID AXIS OF SAID SECOND ELECTRODE TO REDUCE THE EFFECTIVE LENGTH OF SAID FIRST ELECTRODE.
References Cited (Backward Citations)
US3174748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |