US3426880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Serial character matrix page printer
Assignee: Friden Inc
•
Filing: 1967-04-14
•
Granted: 1969-02-11
•
Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Blodgett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:37
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/22; B41J2/23; B41J2/235; B41J2/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2524127A
Cited
US2661683A
Cited
US2715360A
Cited
US2770190A
Cited
US2727944A
Cited
US2857032A
Cited
US2769029A
Cited
US2858923A
Cited
US3082687A
Cited
US3236351A
Cited
US3219165A
Cited
US3228510A
Cited
US3334719A
Cited
US3292530A
Cited
US3267852A
Cited
US3261445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |