US3723231A
Expired / Lapsed
US
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Insulation material
Assignee: General Dynamics Corp
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Filing: 1970-10-01
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Granted: 1973-03-27
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Expires: 1990-10-01
Abstract
Abstract AN INSULATION MATERIAL COMPRISING A THERMAL HEAT REFLECTING MATERIAL SUCH AS ALUMINIZED POLYESTER FILM, VIZ, MYLAR, PROVIDED WITH A MULTIPLICITY OF FIBER TUFTS OF FLOCKING MATERIAL SPACED APART AND BONDED TO THE MYLAR IN A SUBSTANTIALLY POLKA-DOT PATTERN. THE UPSTANDING FIBER BRISTLES SERVE TO SPACE THE REFLECTING MATERIAL AWAY FROM ADJACENT STRUCTURE OR OTHER ADJACENT LAYERS OF INSULATION. HEAT TRANSFER BY CONDUCTION IS REDUCED TO A MINIMUM AS A RESULT OF THE TUFTS OF BRISTLES BEING IN POINT CONTACT ONLY WITH ADJACENT MATERIAL AND STRUCTURE.
Inventors
- 👤 J Clay
- 👤 V Lintvedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:48
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/06; F16L59/07; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; F16L59/08; F17; F17C; F17C13/00; F17C13/001; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/032; F17C2221/00; F17C2221/01; F17C2221/012; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S220/00; Y10S220/918; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914; Y10T428/23929; Y10T428/23943; Y10T428/23979; Y10T428/23986; Y10T428/24; Y10T428/24174
Claims Analysis
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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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |