Patent US3316879A successfully refreshed from Google Patents.
US3316879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of fine particle mist employing electrostatic means
Assignee: Beloit Corp
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Filing: 1962-12-20
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Granted: 1967-05-02
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Robert S Washburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:52
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/08; D21H23/00; D21H23/78; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
IN A PAPER COATING MACHINE WHEREIN A MIST OF COATING PARTICLES IS FORMED AFTER THE COATING IS APPLIED TO A TRAVELLING WEB, THE COMBINATION COMPRISING, AN ELECTRODE POSITIONED IN SAID MIST, AND MEANS FOR CHARGING SAID ELECTRODE WITH A HIGH VOLTAGE FOR COLLECTING THE PARTICLES ON THE ELECTRODE.
Claim 2
Dependent Claim
48 words
IN A PAPER COATING MACHINE WHEREIN A MIST OF COATING PARTICLES IS FORMED AFTER THE COATING IS APPLIED TO A TRAVELLING WEB, THE COMBINATION COMPRISING, AN ELECTRODE POSITIONED IN SAID MIST, AND MEANS FOR CHARGING SAID ELECTRODE WITH A HIGH VOLTAGE FOR COLLECTING THE PARTICLES ON THE ELECTRODE.
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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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |