US3422758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blanket cleaner for rotary duplicating machine
Assignee: AB Dick Co
•
Filing: 1967-03-27
•
Granted: 1969-01-21
•
Expires: 1987-03-27
Abstract
No abstract record available.
Inventors
- 👤 Donald B Brewster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:56
CPC Classifications
B; B41; B41F; B41F35/00; B41F35/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE24739E
Cited
US714348A
Cited
US1137693A
Cited
US2071637A
Cited
US2551601A
Cited
US2832290A
Cited
US3055297A
Cited
US2969735A
Cited
US3094068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |