US3464773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photometer apparatus employing matched circuits
Assignee: Eastman Kodak Co
•
Filing: 1965-10-22
•
Granted: 1969-09-02
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Edward Waz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:30
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; G01J1/44; G01J1/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2100755A
Cited
US2862416A
Cited
US2780752A
Cited
US2924754A
Cited
US3056332A
Cited
US3371252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |