US2808777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing duplicating masters
Assignee: AB Dick Co
•
Filing: 1952-02-26
•
Granted: 1957-10-08
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Allan I Roshkind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/14; B41C1/148; Y; Y10; Y10S; Y10S430/00; Y10S430/145
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US505698A
Cited
US525675A
Cited
US789153A
Cited
US1656338A
Cited
US1819264A
Cited
US1973151A
Cited
US2057696A
Cited
US2243078A
Cited
US2337012A
Cited
US2501495A
Cited
US2554909A
Cited
US2616961A
Cited
US2503758A
Cited
US2713822A
Cited
US2668126A
Cited
US2699113A
Cited
US2684628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |