US3279942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber type energy-conducting structures and method of making same
Assignee: American Optical Corp
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Filing: 1961-12-18
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Granted: 1966-10-18
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Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 George A Granitsas
- 👤 Harry D Crandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:19
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/04; G02B6/06; G02B6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE METHOD OF SEALING INTERSTICES IN AN ASSEMBLY OF A LARGE NUMBER OF GLASS CLAD ENERGY-CONDUCTING FIBERS ALL FUSED TOGETHER IN SIDE-BY-SIDE SUBSTANTIALLY PARALLEL RELATIONSHIP WITH EACH OTHER, SAID METHOD COMPRISING THE STEPS OF INTRODUCING A SOLUTION OF A SILICIC ACID INTO SAID INTERSTICES AND THEREAFTER HEATING SAID STRUCTURE TO A TEMPERATURE SUFFICIENT TO INDUCE DEHYDRATION AND SUBSTANTIALLY COMPLETE POLYMERIZATION OF SAID SILICIC ACID IN SITU THEREBY FORMING A SILICA NETWORK WHICH SEALS SAID INTERSTICES.
Claim 2
Independent Claim
75 words
THE METHOD OF SEALING INTERSTICES IN AN ASSEMBLY OF A LARGE NUMBER OF GLASS CLAD ENERGY-CONDUCTING FIBERS ALL FUSED TOGETHER IN SIDE-BY-SIDE SUBSTANTIALLY PARALLEL RELATIONSHIP WITH EACH OTHER, SAID METHOD COMPRISING THE STEPS OF INTRODUCING A SOLUTION OF A SILICIC ACID INTO SAID INTERSTICES AND THEREAFTER HEATING SAID STRUCTURE TO A TEMPERATURE SUFFICIENT TO INDUCE DEHYDRATION AND SUBSTANTIALLY COMPLETE POLYMERIZATION OF SAID SILICIC ACID IN SITU THEREBY FORMING A SILICA NETWORK WHICH SEALS SAID INTERSTICES.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |