UST963002I4
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating of fiber waveguides
Assignee: AT&T Inc
•
Filing: 1976-06-30
•
Granted: 1977-10-04
•
Expires: 1996-06-30
Abstract
Abstract the specification describes coating techniques for glass fiber waveguides that avoid physical contact of the fiber by anything other than the coating solution. The techniques depend on the use of very flexible easily deformable materials for the exit die of flooded die applicators.
Inventors
- 👤 Robert Vincent Albarino
- 👤 Arthur Clifford Hart, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:39
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/18
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) | 1980-10-03 | 1981-04-04 | 1981-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-03 | 1985-04-04 | 1985-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-03 | 1989-04-04 | 1989-10-04 | $7700.00 | Window Closed / Lapsed |