US3623196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of providing an anti-implosion clamping band around the envelope of a colour television picture tube
Assignee: US Philips Corp
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Filing: 1969-07-24
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Granted: 1971-11-30
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Expires: 1989-07-24
Abstract
Abstract A METHOD OF PROVIDING WITHOUT DAMAGE TO THE SEAM, AN ANTI-IMPLOSION CLAMPING BAND ON A COLOUR TELEVISION PICTURE TUBE HAVING ENVELOPE WINDOW AND CONE SECURED TOGETHER BY MEANS OF A SOLDER GLASS. A PROFILED BAND COMPRISING NARROW AND WIDE PORTIONS IS SLID, WITH ITS WIDE PORTION FOREMOST, FROM THE WINDOW ENTIRELY OVER THE MOULD MATCH LINE, PERMANENT DEFORMATION OF THE BAND BEING AVOIDED BY HEATING THE BAND OR BY PROVIDING SAW CUTS IN THE MORE NARROW PORTION OF THE BAND.
Inventors
- 👤 Hendrik Bongenaar
- 👤 Theodorus Cornelis Doreleijers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:27
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/007; H; H01; H01J; H01J29/00; H01J29/86; H01J29/87; B; B60; B60G; B60G2300/00; B60G2300/08; B60G2300/083; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |