US2889952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite article and method
Assignee: Corning Glass Works
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Filing: 1956-02-01
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Granted: 1959-06-09
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Expires: 1976-02-01
Abstract
No abstract record available.
Inventors
- 👤 Stewart A Claypoole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:45
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/26; H01J9/263; C; C03; C03C; C03C10/00; C03C10/0054; C03C27/00; C03C27/06; C03C27/10; C03C8/00; C03C8/24; C03C8/245; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/636; C04B35/6365; C04B37/00; C04B37/02; C04B37/023; C04B37/025; C04B37/04; C04B37/045; H01J5/00; H01J5/20; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/30; C04B2237/32; C04B2237/40; C04B2237/50; C04B2237/76; C04B2237/765; C04B2237/80; C04B2237/84; C04B2237/88; H01J2893/00; H01J2893/0033; H01J2893/0037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITE ARTICLE COMPRISING PREFORMED BODIES AND A LAYER OF SEALING MATERIAL BETWEEN THE BODIES AND INTERGRALLY ADHERENT TO THEIR SURFACES, SAID SEALING MATERIEL BEING COMPOSED OF A DEVITRIFIED GLASS HAVING THERMAL EXPANSION CHARACTERISTICS COMPATIBLE WITH THOSE OF EACH PREFORMED BODY AND FORMED BY IN SITU DEVITRIFICATION.
Claim 2
Dependent Claim
47 words
A COMPOSITE ARTICLE COMPRISING PREFORMED BODIES AND A LAYER OF SEALING MATERIAL BETWEEN THE BODIES AND INTERGRALLY ADHERENT TO THEIR SURFACES, SAID SEALING MATERIEL BEING COMPOSED OF A DEVITRIFIED GLASS HAVING THERMAL EXPANSION CHARACTERISTICS COMPATIBLE WITH THOSE OF EACH PREFORMED BODY AND FORMED BY IN SITU DEVITRIFICATION.
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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |