US3466216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive coating for light transmitting body
Assignee: WILLIAM H COOLEY
•
Filing: 1964-07-23
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Granted: 1969-09-09
•
Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 William H Cooley
- 👤 Kenneth C Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:29
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/22; G02B5/23; G03; G03C; G03C1/00; G03C1/494; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/26; Y10T428/263
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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |