US3717531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making fused bundles of energy-conducting fibers
Assignee: American Optical Corp
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Filing: 1971-03-31
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Granted: 1973-02-20
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Expires: 1991-03-31
Abstract
Abstract A BUNDLE OF FIBERS IS INSERTED ENDWISE INTO A POOL OF FIBER NON-WETTING, PREFERABLY HEAVY, LIQUIFIED METAL IN AN OPEN CONTAINER ADJACENT A CORNER THEREOF WHEREWITH THE DISPLACED METAL EFFECTS TIGHT BUNDLING AND FLUID CLAMPING OF THE FIBERS AGAINST THE CONTAINER WALLS FOR FUSION THEREOF WITH APPLIED HEAT.
Inventors
- 👤 L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:33
CPC Classifications
H; H01; H01B; H01B13/00; B; B29; B29C; B29C65/00; B29C65/02; B29C65/022; B29C66/00; B29C66/69; C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; H01B5/00; B29C35/00; B29C35/02; B29C35/04; B29L; B29L2011/00; B29L2011/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |