US3729356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making cemented fiber optical devices
Assignee: American Optical Corp
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Filing: 1971-03-08
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Granted: 1973-04-24
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Expires: 1991-03-08
Abstract
Abstract FABRICATING COHERENT BUNDLES OF CEMENTED TOGETHER RIBBONS OF OPTICAL FIBERS WHEREIN A CONNECTING CEMENT IS SCREENED ONTO A SECTION OF THE LENGTH OF EACH RIBBON, SQUEEGEED TO THE EXACT THICKNESS OF THE SCREEN AND ALLOWED TO BECOME AT LEAST PARTIALLY DRIED WITH THE SCREEN IN PLACE. REMOVAL OF THE SCREEN THEN LEVES A CLEAN AND EVEN COATING OF THE CEMENT UPON EACH RIBBON FOR ADVERSELY SECURING THE RIBBONS TOGETHER AS A COHERENT CEMENTED ASSEMBLY.
Inventors
- 👤 G Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:29
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; C03B37/15; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
Claims Analysis
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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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |