US3463884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic typing machine and transfer tube therefor
Assignee: Individual
•
Filing: 1965-10-04
•
Granted: 1969-08-26
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:33
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/09; B; B41; B41J; B41J2/00; B41J2/435; B41J2/47; B41J2/471; G09; G09G; G09G1/00; G09G1/06; G09G1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |