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Patent US3511178A successfully refreshed from Google Patents.
US3511178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing plate and method
Assignee: 3M Co
•
Filing: 1967-01-06
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Granted: 1970-05-12
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Expires: 1987-01-06
Abstract
No abstract record available.
Inventors
- 👤 John L Curtin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:31
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1008; G; G03; G03F; G03F3/00; G03F3/10; G03F7/00; G03F7/004; G03F7/075; G03F7/0752; B41C2210/00; B41C2210/02; B41C2210/04; B41C2210/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |