Patent US2357990A successfully refreshed from Google Patents.
Patent US3351412A successfully refreshed from Google Patents.
US3351412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed seven component camera objective
Assignee: Jos Schneider Optische Werke GmbH
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Filing: 1964-06-24
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Granted: 1967-11-07
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Solisch Rudolf
- 👤 Wagner Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:12
CPC Classifications
G; G02; G02B; G02B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A HIGH-SPEED CAMERA OBJECTIVE COMPOSED OF A FRONT AND A REAR COMPONENT WHOSE ELEMENTS CONSIST, IN ORDER FROM THE OBJECT SIDE TO THE IMAGE SIDE OF THE OBJECTIVE, OF A FIRST, A SECOND AND A THIRD LENS; A FIRST MENISCUS; A SECOND MENISCUS DEFINING A LARGE AIR SPACE WITH SAID FIRST MENISCUS, A PENULTIMATE LENS MEMBER; AND A REARMOST LENS MEMBER; THE RADII OF CURVATURE R1 TO R15 AND THE AXIAL THICKNESS AND SEPARATIONS D1 TO D14 OF SAID FIRST, SECOND AND THIRD LENSES L1, L2, L3, SAID FIRST MENISCUS L4, THE ELEMENTS L5, L6, OF SAID SECOND MENISCUS, SAID PENULTIMATE LENS MEMBER L7 AND SAID REARMOST LENS MEMBER L8 HAVING NUMERICAL VALUES, BASED UPON A NUMERICAL VALVE OF 100 FOR SAID OVERALL FOCAL LENGTH, WHICH TOGETHER WITH THEIR REFRACTIVE INDICES NE AND DISPERSION CONSTANTS VE, BASED UPON THE E LINE OF THE SPECTRUM, ARE SUBSTANTIALLY AS GIVEN IN THE FOLLOWING TABLE:
Claim 2
Dependent Claim
152 words
A HIGH-SPEED CAMERA OBJECTIVE COMPOSED OF A FRONT AND A REAR COMPONENT WHOSE ELEMENTS CONSIST, IN ORDER FROM THE OBJECT SIDE TO THE IMAGE SIDE OF THE OBJECTIVE, OF A FIRST, A SECOND AND A THIRD LENS; A FIRST MENISCUS; A SECOND MENISCUS DEFINING A LARGE AIR SPACE WITH SAID FIRST MENISCUS, A PENULTIMATE LENS MEMBER; AND A REARMOST LENS MEMBER; THE RADII OF CURVATURE R1 TO R15 AND THE AXIAL THICKNESS AND SEPARATIONS D1 TO D14 OF SAID FIRST, SECOND AND THIRD LENSES L1, L2, L3, SAID FIRST MENISCUS L4, THE ELEMENTS L5, L6, OF SAID SECOND MENISCUS, SAID PENULTIMATE LENS MEMBER L7 AND SAID REARMOST LENS MEMBER L8 HAVING NUMERICAL VALUES, BASED UPON A NUMERICAL VALVE OF 100 FOR SAID OVERALL FOCAL LENGTH, WHICH TOGETHER WITH THEIR REFRACTIVE INDICES NE AND DISPERSION CONSTANTS VE, BASED UPON THE E LINE OF THE SPECTRUM, ARE SUBSTANTIALLY AS GIVEN IN THE FOLLOWING TABLE:
References Cited (Backward Citations)
US3190176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |