US3347134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide mount for film transparencies
Assignee: Eastman Kodak Co
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Filing: 1965-10-13
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Granted: 1967-10-17
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Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Nerwin Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:44
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SLIDE MOUNT FOR FILM TRANSPARENCIES COMPRISING A FRAME ELEMENT HAVING A CENTRAL VIEWING AREA, A MASKING BORDER AREA THEREABOUT, A SUBSTANTIALLY CYLINDRICAL OPTICAL LENS ELEMENT ADAPTED TO BE SUPPORTED WITHIN THE FRAME ELEMENT, AND MEANS FOR SECURING THE FRAME AND OPTICAL ELEMENTS TOGETHER THEREBY TO HOLD AND LOCATE A FILM TRANSPARENCY WITHIN THE FRAME ELEMENT AND ADJACENT TO THE OPTICAL ELEMENT SO THAT THE TRANSPARENCY IS BOWED FROM ITS NORMAL PLANE AND SUBSTANTIALLY CYLINDRICAL CURVATURE IS IMPARTED THERETO FOR PROJECTION.
Claim 2
Dependent Claim
81 words
A SLIDE MOUNT FOR FILM TRANSPARENCIES COMPRISING A FRAME ELEMENT HAVING A CENTRAL VIEWING AREA, A MASKING BORDER AREA THEREABOUT, A SUBSTANTIALLY CYLINDRICAL OPTICAL LENS ELEMENT ADAPTED TO BE SUPPORTED WITHIN THE FRAME ELEMENT, AND MEANS FOR SECURING THE FRAME AND OPTICAL ELEMENTS TOGETHER THEREBY TO HOLD AND LOCATE A FILM TRANSPARENCY WITHIN THE FRAME ELEMENT AND ADJACENT TO THE OPTICAL ELEMENT SO THAT THE TRANSPARENCY IS BOWED FROM ITS NORMAL PLANE AND SUBSTANTIALLY CYLINDRICAL CURVATURE IS IMPARTED THERETO FOR PROJECTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |