US3413071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hexamethyltriaminophenylfluorene printing composition and manifolding sheet therewith
Assignee: Individual
•
Filing: 1963-07-18
•
Granted: 1968-11-26
•
Expires: 1983-07-18
Abstract
No abstract record available.
Inventors
- 👤 Davis Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:17
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/025; B41M5/04; B41M5/124; B41M5/132; B41M5/136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US192201A
Cited
US2153697A
Cited
US2146976A
Cited
US2927040A
Cited
US3099571A
Cited
US3061454A
Cited
US3344189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |