Patent US3463289A successfully refreshed from Google Patents.
US3463289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data reading system
Assignee: Individual
•
Filing: 1967-10-10
•
Granted: 1969-08-26
•
Expires: 1987-10-10
Abstract
No abstract record available.
Inventors
- 👤 David C Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:50
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/44; B41J3/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2114294A
Cited
US2784392A
Cited
US2791310A
Cited
US2788879A
Cited
US2811235A
Cited
US2994428A
Cited
US3040323A
Cited
US3141404A
Cited
US3097745A
Cited
US3294956A
Cited
US3309711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |