US3445310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen printing process and product
Assignee: 3M Co
•
Filing: 1965-08-13
•
Granted: 1969-05-20
•
Expires: 1985-08-13
Abstract
No abstract record available.
Inventors
- 👤 Alton J Danielson
- 👤 James V Erwin
- 👤 Harold A Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:24
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/30
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |