US3301319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal shroud
Assignee: HIGH VACUUM EQUIPMENT CORP
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Filing: 1965-03-23
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Granted: 1967-01-31
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Expires: 1985-03-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:34
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/20; B; B01; B01D; B01D8/00; F28D; F28D7/00; F28D7/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A HEAT ABSORBENT AND RADIANT PANEL FOR USE IN MAKING A THERMAL SHROUD EMBODYING A PLURALITY OF SAID PANELS WHEREIN EACH PANEL COMPRISES A BODY PORTION HAVING AN OUTER SIDE AND AN INNER SIDE AND A NUMBER OF SPACED PARALLEL INWARDLY EXTENDING RIBS ON SAID INNER SIDE, EACH OF SAID RIBS BEING OF GENERALLY TRIANGULAR CROSS-SECTION AND HAVING SIDE WALLS DIVERGING TOWARD SAID BODY PORTION, SAID BODY PORTION HAVING CURVED SURFACES ON SAID INNER SIDE BETWEEN ADJACENT RIBS SAID SURFACES DEFINING, WITH THE SIDE WALLS OF THE ADJACENT RIBS GENERALLY PARABOLIC TROUGHS PARALLEL TO THE RIBS, SAID SIDE WALLS BEING PROVIDED WITH LONGITUDINAL FURROWS, EACH OF SAID FURROWS HAVING AN INNER SURFACE DISPOSED AT SUCH AN ANGLE AS TO DEFLECT RADIATION IMPINGING THEREON TOWARD THE CONFRONTING ADJACENT SIDE WALL AND AN UNDER SURFACE FACING TOWARD SAID PARABOLIC TROUGH.
Claim 2
Dependent Claim
138 words
A HEAT ABSORBENT AND RADIANT PANEL FOR USE IN MAKING A THERMAL SHROUD EMBODYING A PLURALITY OF SAID PANELS WHEREIN EACH PANEL COMPRISES A BODY PORTION HAVING AN OUTER SIDE AND AN INNER SIDE AND A NUMBER OF SPACED PARALLEL INWARDLY EXTENDING RIBS ON SAID INNER SIDE, EACH OF SAID RIBS BEING OF GENERALLY TRIANGULAR CROSS-SECTION AND HAVING SIDE WALLS DIVERGING TOWARD SAID BODY PORTION, SAID BODY PORTION HAVING CURVED SURFACES ON SAID INNER SIDE BETWEEN ADJACENT RIBS SAID SURFACES DEFINING, WITH THE SIDE WALLS OF THE ADJACENT RIBS GENERALLY PARABOLIC TROUGHS PARALLEL TO THE RIBS, SAID SIDE WALLS BEING PROVIDED WITH LONGITUDINAL FURROWS, EACH OF SAID FURROWS HAVING AN INNER SURFACE DISPOSED AT SUCH AN ANGLE AS TO DEFLECT RADIATION IMPINGING THEREON TOWARD THE CONFRONTING ADJACENT SIDE WALL AND AN UNDER SURFACE FACING TOWARD SAID PARABOLIC TROUGH.
References Cited (Backward Citations)
GB304779A
Cited
US2077927A
Cited
US2372155A
Cited
US3081824A
Cited
US3149666A
Cited
US3163207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |