US3332857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic recording medium
Assignee: Hogan Faximile Corp
•
Filing: 1964-03-31
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Granted: 1967-07-25
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Lieblich Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:55
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/20; B41M5/205
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A METHOD FOR FORMING A MARK ON AN ELECTROLYTIC RECORDING MEDIUM COMPRISING IMPREGNATING A POROUS SHEET WITH A WATER SOLUTION CONTAINING AN ALDEHYDE ADDITION SALT SELECTED FROM THE CLASS CONSISTING OF:
References Cited (Backward Citations)
US3113910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |