US3105107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric device for measuring light output values in photo-printing machines
Assignee: Engelhard Hanovia Inc
•
Filing: 1958-06-03
•
Granted: 1963-09-24
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Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Melvin W Klausner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:38
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; G01J1/4209; G01J1/4223; Y; Y10; Y10S; Y10S136/00; Y10S136/291
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |