US2720164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dot printing interpreter
Assignee: Unisys Corp
•
Filing: 1952-01-26
•
Granted: 1955-10-11
•
Expires: 1972-01-26
Abstract
No abstract record available.
Inventors
- 👤 Karl J Braun
- 👤 Cetrangelo Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:52
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/22; B41J2/23; B41J2/235; B41J2/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1028037A
Cited
US2323833A
Cited
US2129064A
Cited
US2290827A
Cited
US2336111A
Cited
US2353083A
Cited
US2591128A
Cited
US2588190A
Cited
US2524127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |