US3517990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Eastman Kodak Co
•
Filing: 1969-10-02
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Granted: 1970-06-30
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Expires: 1989-10-02
Abstract
No abstract record available.
Inventors
- 👤 Robert W Mcgillion
- 👤 William S Owen Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:24
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18; G03B19/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1275863A
Cited
US2515330A
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US2557389A
Cited
US2937563A
Cited
US3298773A
Cited
US3391978A
Cited
US3419325A
Cited
US3427941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |