US2919210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying glass forming metal borates to surfaces
Assignee: OI Glass Inc
•
Filing: 1956-11-07
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Granted: 1959-12-29
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Expires: 1976-11-07
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Steierman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:56
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/04; C; C03; C03C; C03C27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN THE PROCESS OF EFFECTING A BOND BETWEEN A SOLDER GLASS, WHICH COMPRISES A MAJOR PROPORTION OF A METAL BORATE, AND A SOLID SUBSTRATE SELECTED FROM THE GROUP CONSISTING OF MICA, AND A GLASS HAVING A MELTING POINT GREATER THAN THE SAID SOLDER GLASS, WHEREIN THE SAID SOLDER GLASS AND SUBSTRATE ARE BROUGHT INTO CONTACT AND HEATED ABOVE THE MELTING POINT OF THE SOLDER GLASS TO FUSE THE SOLDER GLASS TO THE SUBSTRATE, THEIMPROVEMENT WHICH COMPRISES THE STEPS OF PROVIDING A SUBSTANTIALLY PURE ATMOSPHERE OF OXYGEN DURING THE CONTACTING AND HEATING OF SAID SOLDER GLASS WITH THE SUBSTRATE WHEREBY DISCRETE DROPLET FORMATION OF SAID SOLDER GLASS IS AVOIDED AND A CONTINUOUS COATING OF SOLDER GLASS IS BONDED TO SAID SUBSTRATE
Claim 2
Dependent Claim
120 words
IN THE PROCESS OF EFFECTING A BOND BETWEEN A SOLDER GLASS, WHICH COMPRISES A MAJOR PROPORTION OF A METAL BORATE, AND A SOLID SUBSTRATE SELECTED FROM THE GROUP CONSISTING OF MICA, AND A GLASS HAVING A MELTING POINT GREATER THAN THE SAID SOLDER GLASS, WHEREIN THE SAID SOLDER GLASS AND SUBSTRATE ARE BROUGHT INTO CONTACT AND HEATED ABOVE THE MELTING POINT OF THE SOLDER GLASS TO FUSE THE SOLDER GLASS TO THE SUBSTRATE, THEIMPROVEMENT WHICH COMPRISES THE STEPS OF PROVIDING A SUBSTANTIALLY PURE ATMOSPHERE OF OXYGEN DURING THE CONTACTING AND HEATING OF SAID SOLDER GLASS WITH THE SUBSTRATE WHEREBY DISCRETE DROPLET FORMATION OF SAID SOLDER GLASS IS AVOIDED AND A CONTINUOUS COATING OF SOLDER GLASS IS BONDED TO SAID SUBSTRATE
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) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |