US3455428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Typewriter receiver means
Assignee: NEC Corp
•
Filing: 1967-06-07
•
Granted: 1969-07-15
•
Expires: 1987-06-07
Abstract
No abstract record available.
Inventors
- 👤 Yukinao Shida
- 👤 Muneyoshi Nagata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:54
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/54; B41J7/56; B41J7/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1052356A
Cited
US2080966A
Cited
US2892031A
Cited
US3295652A
Cited
US3334721A
Cited
US3382963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |