Patent US2889768A successfully refreshed from Google Patents.
US2889768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing machines
Assignee: AB Dick Co
•
Filing: 1956-05-29
•
Granted: 1959-06-09
•
Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 William J Hampton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:31
CPC Classifications
B; B41; B41L; B41L47/00; B41L47/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1111020A
Cited
US1274905A
Cited
US1733329A
Cited
US1754361A
Cited
US1913890A
Cited
US2004202A
Cited
US2125626A
Cited
US2121864A
Cited
US2482542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |