US2500069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing machine
Assignee: AB Dick Co
•
Filing: 1943-03-08
•
Granted: 1950-03-07
•
Expires: 1963-03-08
Abstract
No abstract record available.
Inventors
- 👤 Walter T Gollwitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:58
CPC Classifications
B; B41; B41L; B41L47/00; B41L47/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1853053A
Cited
US1594371A
Cited
US1775223A
Cited
US1810213A
Cited
US1826291A
Cited
US1867002A
Cited
US2014561A
Cited
US2052905A
Cited
US2057606A
Cited
US2194270A
Cited
US2221861A
Cited
US1178806A
Cited
US1005397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |