Patent US3268766A successfully refreshed from Google Patents.
US3268766A
Expired / Lapsed
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Apparatus for removal of electric charges from dielectric film surfaces
Assignee: EIDP Inc
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Filing: 1964-02-04
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Granted: 1966-08-23
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Amos Stephen Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:35
CPC Classifications
H; H05; H05F; H05F3/00; B; B29; B29C; B29C53/00; B29C53/32; B29D; B29D7/00; D; D01; D01G; D01G23/00; B29C71/00; Y; Y10; Y10S; Y10S174/00; Y10S174/13; Y10S174/14; Y10S174/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN MACHINERY FOR THE PROCESSING OF A TRAVELLING CONTINUOUS WEB OF DIELECTRIC MATERIAL SUSCEPTIBLE TO THE ACCUMULATION OF CHARGES OF STATIC ELECTRICITY, THE IMPROVEMENT WHICH COMPRISES A STATIONARY WEB GUIDE OPERATIVE TO REMOVE ACCUMULATED CHARGES OF STATIC ELECTRICITY FROM THE SURFACE OF THE TRAVELLING WEB COMPRISING A CLOSED TUBULAR MEMBER DISPOSED TRANSVERSELY OF AND BELOW THE TRAVELLING WEB, AND HAVING AN ELECTRICALLY CONDUCTIVE WALL PERVIOUS TO GAS IN THE AREA THEREOF IMMEDIATELY ADJACENT THE TRAVELLING WEB, MEANS FOR CONTINUOUSLY FEEDING GAS UNDER PRESSURE TO THE INTERIOR OF SAID TUBULAR MEMBER WHEREBY GAS IS CONTINUOUSLY FORCED THRU SAID PERVIOUS AREA AND AGAINST SAID WEB TO MAINTAIN A BLANKET OF GAS OF PREDETERMINED THICKNESS BETWEEN THE SURFACE OF THE TUBULAR MEMBER AND THE WEB TRAVELLING THEREOVER, AND A LOW RESISTANCE ELECTRICAL CONDUCTOR CONNECTING SAID ELECTRICALLY CONDUCTIVE ALL TO AN EARTH GROUND.
Claim 2
Dependent Claim
139 words
IN MACHINERY FOR THE PROCESSING OF A TRAVELLING CONTINUOUS WEB OF DIELECTRIC MATERIAL SUSCEPTIBLE TO THE ACCUMULATION OF CHARGES OF STATIC ELECTRICITY, THE IMPROVEMENT WHICH COMPRISES A STATIONARY WEB GUIDE OPERATIVE TO REMOVE ACCUMULATED CHARGES OF STATIC ELECTRICITY FROM THE SURFACE OF THE TRAVELLING WEB COMPRISING A CLOSED TUBULAR MEMBER DISPOSED TRANSVERSELY OF AND BELOW THE TRAVELLING WEB, AND HAVING AN ELECTRICALLY CONDUCTIVE WALL PERVIOUS TO GAS IN THE AREA THEREOF IMMEDIATELY ADJACENT THE TRAVELLING WEB, MEANS FOR CONTINUOUSLY FEEDING GAS UNDER PRESSURE TO THE INTERIOR OF SAID TUBULAR MEMBER WHEREBY GAS IS CONTINUOUSLY FORCED THRU SAID PERVIOUS AREA AND AGAINST SAID WEB TO MAINTAIN A BLANKET OF GAS OF PREDETERMINED THICKNESS BETWEEN THE SURFACE OF THE TUBULAR MEMBER AND THE WEB TRAVELLING THEREOVER, AND A LOW RESISTANCE ELECTRICAL CONDUCTOR CONNECTING SAID ELECTRICALLY CONDUCTIVE ALL TO AN EARTH GROUND.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |