US2907075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an insulated conductor
Assignee: AT&T Inc
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Filing: 1957-05-09
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Granted: 1959-10-06
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Expires: 1977-05-09
Abstract
No abstract record available.
Inventors
- 👤 Neal D Newby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:38
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; H01B13/142; H01B13/065; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; Y; Y10; Y10S; Y10S521/00; Y10S521/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
THE METHOD OF PRODUCING A FOAMED INSULATING COATING OF A BODY, WHICH METHOD COMPRISES DISPERSING AEROGEL PARTICLES OF SILICA GEL OF 0.5 MICRON TO 50 MICRONS SIZE HAVING AN ADSORBABLE ORGANIC LIQUID ADSROBED THEREON THROUGHOUT AN ORGANIC POLYMERIC COMPOSITION, SAID LIQUID HAVING A BOILING POINT LOWER THAN THE DEGRADATION TEMPERATURE OF SAID ORGANIC POLYMERIC COMPOSITION, APPLYING SAID COMPOSITION CONTAINING THE DISPERSED GEL AS A COATING ON A BODY, AND THEN DESORBING THE ADSORBED LIQUID FROM THE SILICA GEL BY HEATING AT A TEMPERATURE SUFFICIENT TO VOLATILIZE THE ADSORBED LIQUID, WHEREBY THE VAPORS GENERATED PRODUCE BUBBLES HAVING A VOLUME GRETER THAN THE VOLUME OF THE SILICA GEL THROUGHOUT THE COMPOSITION.
Claim 2
Independent Claim
109 words
THE METHOD OF PRODUCING A FOAMED INSULATING COATING OF A BODY, WHICH METHOD COMPRISES DISPERSING AEROGEL PARTICLES OF SILICA GEL OF 0.5 MICRON TO 50 MICRONS SIZE HAVING AN ADSORBABLE ORGANIC LIQUID ADSROBED THEREON THROUGHOUT AN ORGANIC POLYMERIC COMPOSITION, SAID LIQUID HAVING A BOILING POINT LOWER THAN THE DEGRADATION TEMPERATURE OF SAID ORGANIC POLYMERIC COMPOSITION, APPLYING SAID COMPOSITION CONTAINING THE DISPERSED GEL AS A COATING ON A BODY, AND THEN DESORBING THE ADSORBED LIQUID FROM THE SILICA GEL BY HEATING AT A TEMPERATURE SUFFICIENT TO VOLATILIZE THE ADSORBED LIQUID, WHEREBY THE VAPORS GENERATED PRODUCE BUBBLES HAVING A VOLUME GRETER THAN THE VOLUME OF THE SILICA GEL THROUGHOUT THE COMPOSITION.
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |