US3289581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink monitoring system for printing presses
Assignee: Vandercook and Sons Inc
•
Filing: 1964-05-12
•
Granted: 1966-12-06
•
Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Roozee James Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/02; B41F31/04; B41F31/045; B41F33/00; B41F33/0063; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10S101/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2797171A
Cited
US2726173A
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US2773412A
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US2972925A
Cited
US2998767A
Cited
US3008369A
Cited
US2951416A
Cited
US3076723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |