Patent US2967152A successfully refreshed from Google Patents.
US2967152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulation
Assignee: Union Carbide Corp
•
Filing: 1956-04-26
•
Granted: 1961-01-03
•
Expires: 1976-04-26
Abstract
No abstract record available.
Inventors
- 👤 Ladislas C Matsch
- 👤 Arthur W Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:46
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/08; C; C09; C09K; C09K5/00; C09K5/08; C09K5/14; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; F17; F17C; F17C13/00; F17C13/001; Y; Y10; Y10S; Y10S62/00; Y10S62/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
AN INSULATING MATERIAL CHARACTERIZED BY A LOW RATE OF HEAT TRANFER BY CONDUCTION AND RADIATION, CONSISTING ESSEENTIALLY OF FINELY DIVIDED LOW HEAT CONDUCTIVE PARTICLES OF AGGLOMERATE SIZES LESS THAN ABOUT 420 MICRONS BEING SELECTED FROM THE GROUP CONSISTING OF SILICA, PERLITE, ALUMINA, MAGNESIA AND CARBON BLACK; AND FINELY DIVIDED RADIANT HEAT REFLECTING BODIES OF SIZES LESS THAN ABOUT 500 MICRONS AND CONSTITUTING BETWEEN ABOUT 1% AND 80% BY WEIGHT OF SAID INSULATING MATERIAL, SAID HEAT REFLECTING BODIES CONSITING OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, COPPER, ALUMINUM PAINT PIGMENTS, COPPER PAINT PIGMENTS AND COPPER COATED MICA.
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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |