Patent US3279941A successfully refreshed from Google Patents.
US3279941A
Expired / Lapsed
US
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Method of forming a moisture-collecting coating of porous glass
Assignee: Corning Glass Works
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Filing: 1963-02-14
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Granted: 1966-10-18
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Laurence H Foster
- 👤 James H Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:30
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/94; H01J9/00; H01J9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE METHOD OF FORMING A MOISTURE-COLLECTING COATING ON A SURFACE WHICH COMPRISES THE STEPS OF FORMING A SUSPENSION OF PARTICLES OF POROUS GLASS AND PARTICLES OF SEALING GLASS IN A LIQUID, EACH SAID PARTICLE OF POROUS GLASS HAVING A CONTINUOUS NETWORK OF MINUTE INTERCONNECTED CHANNELS EXTENDING THERETHROUGH, APPLYING A COATING OF SAID SUSPENSION ON SAID SURFACE, AND HEATING SAID SUSPENSION TO A TEMPERATURE AT LEAST AS HIGH AS THE SOFTENING TEMPERATURE OF SAID SEALING GLASS BUT LESS THAN THE SOFTENING TEMPERATURE OF SAID POROUS GLASS FOR A TIME SUFFICIENT TO REMOVE SAID LIQUID FROM SAID SUSPENSION AND TO
Claim 2
Independent Claim
98 words
THE METHOD OF FORMING A MOISTURE-COLLECTING COATING ON A SURFACE WHICH COMPRISES THE STEPS OF FORMING A SUSPENSION OF PARTICLES OF POROUS GLASS AND PARTICLES OF SEALING GLASS IN A LIQUID, EACH SAID PARTICLE OF POROUS GLASS HAVING A CONTINUOUS NETWORK OF MINUTE INTERCONNECTED CHANNELS EXTENDING THERETHROUGH, APPLYING A COATING OF SAID SUSPENSION ON SAID SURFACE, AND HEATING SAID SUSPENSION TO A TEMPERATURE AT LEAST AS HIGH AS THE SOFTENING TEMPERATURE OF SAID SEALING GLASS BUT LESS THAN THE SOFTENING TEMPERATURE OF SAID POROUS GLASS FOR A TIME SUFFICIENT TO REMOVE SAID LIQUID FROM SAID SUSPENSION AND TO
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |