US3364853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic printing with means to prevent free charge flow
Assignee: Purex Corp Ltd
•
Filing: 1966-12-27
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Granted: 1968-01-23
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 William T Fisher
- 👤 Robert D Thompson
- 👤 Charles B Patterson
- 👤 Stanley M Dahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:19
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/12; B41M1/125; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |