US3067082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying plastic film
Assignee: RCA Corp
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Filing: 1956-12-27
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Granted: 1962-12-04
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Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Leigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:05
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/87; H01J2229/00; H01J2229/87; H01J2229/875; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF APPLYING TO A FACEPLATE OF A CATHODE RAY TUBE A SHEET OF PLASTIC MATERIAL HAVING A GREATER TENSILE STRENGHT IN A GIVEN DIRECTION ACROSS ITS SURFACE THAN IN A DIRECTION TRANSVERSE TO SAID GIVEN DIRECTION, SAID METHOD COMPRISING DETERMINING THE DIRECTION OF HIGHEST TENSILE STRENGHT OF SAID SHEET, APPLYING SAID SHEET TO SAID FACEPLATE, SIMULTANEOUSLY HEATING SAID SHEET TO HIGHER TEMPERATURE IN AREAS WHICH DESIRED TO BE STRETCHED AND WHICH ARE ALIGNED IN THE DIRECTION OF GREATER TENSILE STRENGTH THAN IN AREAS ALIGNED IN SUCH SAID TRANSVERSE DIRECTION, AND FORMING A TAUT COVERING OF SAID SHEET ON SAID FACEPLATE.
Claim 2
Independent Claim
102 words
THE METHOD OF APPLYING TO A FACEPLATE OF A CATHODE RAY TUBE A SHEET OF PLASTIC MATERIAL HAVING A GREATER TENSILE STRENGHT IN A GIVEN DIRECTION ACROSS ITS SURFACE THAN IN A DIRECTION TRANSVERSE TO SAID GIVEN DIRECTION, SAID METHOD COMPRISING DETERMINING THE DIRECTION OF HIGHEST TENSILE STRENGHT OF SAID SHEET, APPLYING SAID SHEET TO SAID FACEPLATE, SIMULTANEOUSLY HEATING SAID SHEET TO HIGHER TEMPERATURE IN AREAS WHICH DESIRED TO BE STRETCHED AND WHICH ARE ALIGNED IN THE DIRECTION OF GREATER TENSILE STRENGTH THAN IN AREAS ALIGNED IN SUCH SAID TRANSVERSE DIRECTION, AND FORMING A TAUT COVERING OF SAID SHEET ON SAID FACEPLATE.
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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |