US2555148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key controlled printing machine
Assignee: AB Dick Co
•
Filing: 1947-04-30
•
Granted: 1951-05-29
•
Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 Lester F Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:24
CPC Classifications
B; B41; B41L; B41L19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1539382A
Cited
US1866997A
Cited
US1056765A
Cited
US1091498A
Cited
US1254895A
Cited
US2039072A
Cited
US2342699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |