Patent US2380894A successfully refreshed from Google Patents.
Patent US3142383A successfully refreshed from Google Patents.
US3142383A
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Assignee: Individual
•
Filing: 1961-01-06
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Granted: 1964-07-28
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Expires: 1981-01-06
Abstract
No abstract record available.
Inventors
- 👤 Boyer Jean Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:03
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
AN APPARATUS FOR SORTING ARTICLES COMPRISING MEANS FORMING A TRANSPORT PATH FOR SAID ARTICLES; AND AT LEAST ONE SORTING STATION DISPOSED ALONG SAID PATH, SAID STATION INCLUDING A FIRST CONCAVE MIRROR HAVING A FOCUS; A SOURCE OF LIGHT LOCATED AT THE FOCUS OF SAID MIRROR EMITTING PART OF ITS RAYS TOWARDS SAID MIRROR FOR REFLECTION THEREOF INTO A SUBSTANTIALLY PARALLEL LIGHT BEAM EXTENDING ACROSS SAID PATH; FIRST SHIELD MEANS AT SAID FIRST MIRROR FORWARDLY OF SAID FOCUS IN THE DIRECTION OF SAID PATH FOR ARRESTING THE OTHER RAYS EMITTED BY SAID SOURCE; A SECOND CONCAVE MIRROR DISPOSED OPPOSITE SAID FIRST MIRROR ACROSS SAID PATH CONCENTRATING THE RAYS OF SAID LIGHT BEAM AT ANOTHER FOCUS; SECOND SHIELD MEANS AT SAID SECOND MIRROR REARWARDLY OF SAID OTHER FOCUS; PHOTOELECTRIC DETECTOR MEANS ADJACENT SAID SECOND MIRROR AND LOCATED BEYOND SAID OTHER FOCUS IN THE DIRECTION OF SAID FIRST MIRROR FOR RECEIVING RAYS REFLECTED BY SAID SECOND MIRROR; CIRCUIT MEANS CONTROLLED BY SAID DETECTOR MEANS FOR PROVIDING AN OUTPUT CURRENT IN RESPONSE TO THE INTERRUPTION OF SAID BEAM BY AN ARTICLE OF PREDETERMINED SIZE DISPLACED ALONG SAID PATH; AND DE-
Claim 2
Independent Claim
186 words
AN APPARATUS FOR SORTING ARTICLES COMPRISING MEANS FORMING A TRANSPORT PATH FOR SAID ARTICLES; AND AT LEAST ONE SORTING STATION DISPOSED ALONG SAID PATH, SAID STATION INCLUDING A FIRST CONCAVE MIRROR HAVING A FOCUS; A SOURCE OF LIGHT LOCATED AT THE FOCUS OF SAID MIRROR EMITTING PART OF ITS RAYS TOWARDS SAID MIRROR FOR REFLECTION THEREOF INTO A SUBSTANTIALLY PARALLEL LIGHT BEAM EXTENDING ACROSS SAID PATH; FIRST SHIELD MEANS AT SAID FIRST MIRROR FORWARDLY OF SAID FOCUS IN THE DIRECTION OF SAID PATH FOR ARRESTING THE OTHER RAYS EMITTED BY SAID SOURCE; A SECOND CONCAVE MIRROR DISPOSED OPPOSITE SAID FIRST MIRROR ACROSS SAID PATH CONCENTRATING THE RAYS OF SAID LIGHT BEAM AT ANOTHER FOCUS; SECOND SHIELD MEANS AT SAID SECOND MIRROR REARWARDLY OF SAID OTHER FOCUS; PHOTOELECTRIC DETECTOR MEANS ADJACENT SAID SECOND MIRROR AND LOCATED BEYOND SAID OTHER FOCUS IN THE DIRECTION OF SAID FIRST MIRROR FOR RECEIVING RAYS REFLECTED BY SAID SECOND MIRROR; CIRCUIT MEANS CONTROLLED BY SAID DETECTOR MEANS FOR PROVIDING AN OUTPUT CURRENT IN RESPONSE TO THE INTERRUPTION OF SAID BEAM BY AN ARTICLE OF PREDETERMINED SIZE DISPLACED ALONG SAID PATH; AND DE-
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |