US3483013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fade resistant sheet for making color projection transparency
Assignee: 3M Co
•
Filing: 1966-10-28
•
Granted: 1969-12-09
•
Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 John R Berg
- 👤 Joseph A Wiese Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:03
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38235; B41M5/30; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2770534A
Cited
US3147377A
Cited
US3129109A
Cited
US3146348A
Cited
US3346571A
Cited
US3280735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |