Patent US3389029A successfully refreshed from Google Patents.
US3389029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making transparency
Assignee: Black Box Collotype Studios Inc
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Filing: 1964-06-23
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Granted: 1968-06-18
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Expires: 1984-06-23
Abstract
No abstract record available.
Inventors
- 👤 Forman Stanley Fred
- 👤 Thiede John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:13
CPC Classifications
B; B32; B32B; B32B27/00; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B41M3/00; G; G03; G03C; G03C11/00; G03C11/22
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |