US3139340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube face plates and method of making the same
Assignee: American Optical Corp
•
Filing: 1962-01-17
•
Granted: 1964-06-30
•
Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Hays
- 👤 Mahler Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:10
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/89; H01J29/892; H01J29/02; H01J29/10; H01J29/18; H01J29/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF FORMING ISOLATED AREAS OF A COATING MATERIAL ON A SIDE SURFACE OF AN OPTICAL COMPONENT COMPRISING A NUMBER OF ENERGY-CONDUCTING FIBERS ARRANGED IN SPACED SIDE-BY-SIDE RELATIONSHIP WITH THE CORRESPONDING ONE ENDS OF SAID FIBERS CONSTITUTING SAID SIDE SURFACE, SAID METHOD COMPRISING THE STEPS OF APPLYING A UNIFORM COATING OF SAID COATING MATERIAL ON SAID SIDE SURFACE OF SAID OPTICAL COMPONENT, PLACING OVER SAID COATING A MEMBER HAVING A SUBSTANTIALLY UNIFORM ELECTROSTATIC CHARGE OVER ITS SURFACE AREA ADJACENT SAID COATING ADAPTED TO ATTRACT
Claim 2
Independent Claim
85 words
THE METHOD OF FORMING ISOLATED AREAS OF A COATING MATERIAL ON A SIDE SURFACE OF AN OPTICAL COMPONENT COMPRISING A NUMBER OF ENERGY-CONDUCTING FIBERS ARRANGED IN SPACED SIDE-BY-SIDE RELATIONSHIP WITH THE CORRESPONDING ONE ENDS OF SAID FIBERS CONSTITUTING SAID SIDE SURFACE, SAID METHOD COMPRISING THE STEPS OF APPLYING A UNIFORM COATING OF SAID COATING MATERIAL ON SAID SIDE SURFACE OF SAID OPTICAL COMPONENT, PLACING OVER SAID COATING A MEMBER HAVING A SUBSTANTIALLY UNIFORM ELECTROSTATIC CHARGE OVER ITS SURFACE AREA ADJACENT SAID COATING ADAPTED TO ATTRACT
References Cited (Backward Citations)
US2682478A
Cited
US2839400A
Cited
US2992107A
Cited
US3041228A
Cited
US2983835A
Cited
US3007049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |