US3035488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for compensating for residual chromatic aberration
Assignee: Twentieth Century Fox Film Corp
•
Filing: 1956-11-29
•
Granted: 1962-05-22
•
Expires: 1976-11-29
Abstract
No abstract record available.
Inventors
- 👤 Alden Alex Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:41
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/0025
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |