Patent US3297388A successfully refreshed from Google Patents.
US3297388A
Expired / Lapsed
US
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Infrared image transmitting fiber devices
Assignee: American Optical Corp
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Filing: 1964-05-27
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Granted: 1967-01-10
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Richard F Woodcock
- 👤 George A Granitsas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:41
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/10; G02B6/102; G02B6/04; G02B6/06; G02B6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN IMAGE TRANSMITTING MEANS COMPRISING AN ALUMINUM PLATE HAVING A MULTIPLICITY OF SMOOTH-WALLED PERFORATIONS THERETHROUGH, COATINGS OF ALUMINUM OXIDE OF SAID PERFORATION WALLS, AND FIBER-LIKE MEMBERS FILLING SAID PERFORATIONS, SAID MEMBERS EMBODYING A MATERIAL ADAPTED TO TRANSMIT ELECTROMAGNETIC ENERGY AND HAVING AN INDEX OF REFRACTION HIGHER THAN THAT OF SAID ALUMINUM OXIDE.
Claim 2
Dependent Claim
52 words
AN IMAGE TRANSMITTING MEANS COMPRISING AN ALUMINUM PLATE HAVING A MULTIPLICITY OF SMOOTH-WALLED PERFORATIONS THERETHROUGH, COATINGS OF ALUMINUM OXIDE OF SAID PERFORATION WALLS, AND FIBER-LIKE MEMBERS FILLING SAID PERFORATIONS, SAID MEMBERS EMBODYING A MATERIAL ADAPTED TO TRANSMIT ELECTROMAGNETIC ENERGY AND HAVING AN INDEX OF REFRACTION HIGHER THAN THAT OF SAID ALUMINUM OXIDE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |