US3208339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color correcting means for projectors and the like
Assignee: Tiffen Manufacturing Corp
•
Filing: 1962-09-06
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Granted: 1965-09-28
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Expires: 1982-09-06
Abstract
No abstract record available.
Inventors
- 👤 Tiffenberg Leo
- 👤 Weiss Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:32
CPC Classifications
G; G03; G03B; G03B33/00
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |