US3328111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose lens system for light projection apparatus
Assignee: General Electric Co
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Filing: 1964-01-08
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Granted: 1967-06-27
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 Harold F Bennett
- 👤 John R Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:34
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/74; H04N5/7416; H04N5/7425; G; G02; G02B; G02B1/00; G02B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A LENS ASSEMBLY FOR THE IMAGING OF A FIRST OBJECT SURFACE OF ONE CURVATURE AT A MODERATE DISTANCE BEHIND THE ASSEMBLY ONTO A FIRST IMAGE SURFACE OF OPPOSITE CURVATURE WITHIN THE ASSEMBLY AND FOR THE PROJECTION OF A SECOND PLANE OBJECT SURFACE ADJACENT THE REAR OF THE ASSEMBLY ONTO A SECOND PLANE IMAGE SURFACE AT A SUBSTANTIAL DISTANCE IN FRONT OF ASSEMBLY COMPRISING
Claim 2
Dependent Claim
63 words
A LENS ASSEMBLY FOR THE IMAGING OF A FIRST OBJECT SURFACE OF ONE CURVATURE AT A MODERATE DISTANCE BEHIND THE ASSEMBLY ONTO A FIRST IMAGE SURFACE OF OPPOSITE CURVATURE WITHIN THE ASSEMBLY AND FOR THE PROJECTION OF A SECOND PLANE OBJECT SURFACE ADJACENT THE REAR OF THE ASSEMBLY ONTO A SECOND PLANE IMAGE SURFACE AT A SUBSTANTIAL DISTANCE IN FRONT OF ASSEMBLY COMPRISING
References Cited (Backward Citations)
US1863099A
Cited
US2985866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |