Patent US3208447A successfully refreshed from Google Patents.
US3208447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for trapping radiant energy and particles
Assignee: Avco Corp
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Filing: 1961-11-13
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Granted: 1965-09-28
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Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Tibor S Laszlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:18
CPC Classifications
F; F24; F24S; F24S70/00; F24S70/60; G; G01; G01J; G01J5/00; G01J5/52; G01J5/53; F24S23/00; F24S23/70; F24S2023/88; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A DEVICE FOR TRAPPING RADIANT ENERGY AND PARTICLES, THE COMBINATION COMPRISING: A FIRST TRUNCATED RIGHT CONICAL AND OPAQUE SURFACE OPEN AT ITS SMALLER END AND HAVING A HIGH EMISSIVITY, SAID RIGHT CONICAL SURFACE HAVING A HEIGHT L, A LONGITUDINAL AXIS, AND BEING DISPOSED AT AN ANGLE $ WITH RESPECT TO SAID AXIS; MEANS FOR SUPPORTING SAID FIRST SURFACE FOR RECEIVING RADIANT ENERGY; AND A SECOND RIGHT CONICAL AND OPAQUE SURFACE CLOSING THE LARGER END OF SAID TRUNCATED CONICAL SURFACE AND CONVERGING IN THE SAME DIRECTION AS SAID TRUNCATED CONICAL SURFACE WITH RESPECT TO SAID AXIS, SAID SECOND CONICAL SURFACE HAVING A HIGH EMISSIVITY AND A HEIGHT L AND BEING DISPOSED AT AN ANGLE $ WITH RESPECT TO SAID AXIS, SAID ANGLE $ BEING LESS THAN 90* AND GREATER THAN $ AND SAID HEIGHT L BEING GREATER THAN ZERO AND LESS THAN L, SAID FIRST AND SECOND SURFACES BEING SUBSTANTIALLY COAXIAL.
Claim 2
Dependent Claim
151 words
IN A DEVICE FOR TRAPPING RADIANT ENERGY AND PARTICLES, THE COMBINATION COMPRISING: A FIRST TRUNCATED RIGHT CONICAL AND OPAQUE SURFACE OPEN AT ITS SMALLER END AND HAVING A HIGH EMISSIVITY, SAID RIGHT CONICAL SURFACE HAVING A HEIGHT L, A LONGITUDINAL AXIS, AND BEING DISPOSED AT AN ANGLE $ WITH RESPECT TO SAID AXIS; MEANS FOR SUPPORTING SAID FIRST SURFACE FOR RECEIVING RADIANT ENERGY; AND A SECOND RIGHT CONICAL AND OPAQUE SURFACE CLOSING THE LARGER END OF SAID TRUNCATED CONICAL SURFACE AND CONVERGING IN THE SAME DIRECTION AS SAID TRUNCATED CONICAL SURFACE WITH RESPECT TO SAID AXIS, SAID SECOND CONICAL SURFACE HAVING A HIGH EMISSIVITY AND A HEIGHT L AND BEING DISPOSED AT AN ANGLE $ WITH RESPECT TO SAID AXIS, SAID ANGLE $ BEING LESS THAN 90* AND GREATER THAN $ AND SAID HEIGHT L BEING GREATER THAN ZERO AND LESS THAN L, SAID FIRST AND SECOND SURFACES BEING SUBSTANTIALLY COAXIAL.
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |