US3615124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for marking points in photograms
Assignee: Jenoptik AG
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Filing: 1969-05-16
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Granted: 1971-10-26
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Expires: 1989-05-16
Abstract
Abstract AN APPARATUS FOR MAKING POINTS IN PHOTOGRAMS BY MEANS OF OPTICAL RAYS COMPRISING A VIEWING SYSTEM, A MEASURING SYSTEM AND A MARKING SYSTEM. THE OPTICAL RAYS AND THE OBSERVATION RAY-PATH TRAVERSE ONE AND THE SAME OPTICAL MEANS. A DIAPHRAM SERVES AS MEASURING MARK IN THE VIEWING AND THE MEASURING SYSTEM AND SERVES AT THE SAME TIME AS A RAY-LIMITING MEANS IN THE MARKETING SYSTEM.
Inventors
- 👤 Peter Blankenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:55
CPC Classifications
G; G01; G01C; G01C11/00; G01C11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |