Patent US3591403A successfully refreshed from Google Patents.
US3591403A
Expired / Lapsed
US
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Electrostatic flocking
Assignee: Bigelow Sanford Inc
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Filing: 1968-12-05
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Granted: 1971-07-06
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Expires: 1988-12-05
Abstract
Abstract IN ELECTROSTATIC FLOCKING METHOD MEANS IS PROVIDED FOR SUPPLYING HEAT TO THE ATTRACTING ELECTRODE IN ADDITION TO ANY HEAT SUPPLIED BY CURRENT DUE TO THE POTENTIAL DIFFERENCE BETWEEN THE ELECTRODE.
Inventors
- 👤 Richard W Sheehan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:52
CPC Classifications
B; B05; B05C; B05C19/00; B05C19/001; B05C19/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |