US2999781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of delaminating laminated glass structures
Assignee: RCA Corp
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Filing: 1959-12-01
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Granted: 1961-09-12
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Expires: 1979-12-01
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:53
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/50; H01J2893/00; H01J2893/0072; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/82; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1142; Y10T156/1147
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
143 words
THE METHOD OF DELAMINATING A LIMINATED CATHODE RAY TUBE, SAID TUBE INCLUDING A BULB HAVING A NECK PORTION, A FUNNEL PORTION, AND A FACEPLATE PORTION, AND A GLASS CAP BONDED TO THE EXTERNAL SURFACE OF SAID FACEPLATE PORTION BY AN INTERLAYER OF RESILIENT POLYMERIZED RESIN, SAID CAP INCLUDING A RELATIVELY FLAT FRONT PORTION OVERLYING SAID FACEPLATE AND A SURROUNDING SIDE PORTION FORMED AS A SHORT HOLLOW CYLINDRICAL SECTION INTEGRAL WITH SAID FRONT PORTION, SAID METHOD COMPRISING THE STEPS OF: MASKING SAID BULB SO AS TO EXPOSE ONLY SAID CAP AND SO AS TO SHIELD SAID NECK AND FUNNEL PORTIONS, ERODING AWAY SAID FRONT PORTION OF SAID CAP BY SANDBLAST BLOWING ABRASIVE PARTICLES THEREUPON TO PULVERIZE IT, THEN FRACTURING THE REMAINING SAID SIDE PORTION OF SAID CAP TO REMOVE SAID PORTION FROM SAID BULB, AND REMOVING SAID INTERLAYER OF POLYMERIZED RESIN FROM SAID BULB.
References Cited (Backward Citations)
US2555077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |