US3245835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic cleaning method and apparatus
Assignee: Lowe Paper Co
•
Filing: 1963-10-08
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Granted: 1966-04-12
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Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Gallino Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:19
CPC Classifications
B; B41; B41F; B41F23/00; B41F23/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF REMOVING DIRT PARTICLES FROM THE SURFACE OF A WEB, WHICH WHEN RUBBED AGAINST A GIVEN MATERIAL PRODUCES IN THE LATTER MATERIAL AN ELECTROSTATIC CHARGE ATTRACTING DIRT PARTICLES FROM THE WEB TO SAID GIVEN MATERIAL, COMPRISING THE STEPS OF: APPLYING THE END OF A COMPARATIVELY WIDE FILM OF SAID GIVEN MATERIAL ACROSS THE FULL WIDTH OF SAID WEB, WITH THE SIDES OF SAID FILM EXTENDING PAST THE SIDE EDGES OF SAID WEB; PRODUCING RELATIVE MOTION BETWEEN SAID WEB AND SAID FILM IN A DIRECTION TRANSVERSE TO THE WIDTH OF SAID WEB TO RUB SAID FILM AGAINST SAID WEB, WHEREBY THE STATIC CHARGE PRODUCED ON SAID FILM BY SAID RUBBING CAUSES THE DIRT PARTICLES TO LEAVE
Claim 2
Independent Claim
117 words
A METHOD OF REMOVING DIRT PARTICLES FROM THE SURFACE OF A WEB, WHICH WHEN RUBBED AGAINST A GIVEN MATERIAL PRODUCES IN THE LATTER MATERIAL AN ELECTROSTATIC CHARGE ATTRACTING DIRT PARTICLES FROM THE WEB TO SAID GIVEN MATERIAL, COMPRISING THE STEPS OF: APPLYING THE END OF A COMPARATIVELY WIDE FILM OF SAID GIVEN MATERIAL ACROSS THE FULL WIDTH OF SAID WEB, WITH THE SIDES OF SAID FILM EXTENDING PAST THE SIDE EDGES OF SAID WEB; PRODUCING RELATIVE MOTION BETWEEN SAID WEB AND SAID FILM IN A DIRECTION TRANSVERSE TO THE WIDTH OF SAID WEB TO RUB SAID FILM AGAINST SAID WEB, WHEREBY THE STATIC CHARGE PRODUCED ON SAID FILM BY SAID RUBBING CAUSES THE DIRT PARTICLES TO LEAVE
References Cited (Backward Citations)
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Cited
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FR1175749A
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CH340456A
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US3099856A
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |