US3434878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a multicolor electrosensitive recording medium and article
Assignee: HP Inc
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Filing: 1964-10-26
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Granted: 1969-03-25
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Charles S Reis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:53
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/24; B41M5/245; H; H04; H04N; H04N1/00; H04N1/46; H04N1/50; H04N1/506
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |