US3279941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a moisture-collecting coating of porous glass
Assignee: Corning Glass Works
•
Filing: 1963-02-14
•
Granted: 1966-10-18
•
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 11:47
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
References Cited (Backward Citations)
US488683A
Cited
USRE25017E
Cited
US1830165A
Cited
US1854988A
Cited
US1971945A
Cited
US2215039A
Cited
GB494416A
Cited
US2295694A
Cited
US2810660A
Cited
US2889952A
Cited
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 |