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Patent US3212820A successfully refreshed from Google Patents.
US3212820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic conveyor means for fragile elements
Assignee: Westinghouse Electric Corp
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Filing: 1964-06-19
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Granted: 1965-10-19
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Expires: 1984-06-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Benesh
- 👤 Edward P Lavernoich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:12
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
PNEUMATIC CONVEYING APPARATUS FOR ASSEMBLING AN ARTICLE INTO A HOLLOW PORTION OF A SLEEVE, SAID APPARATUS COMPRISNG A FIRST MEANS FOR TRANSPORTING SAID ARTICLE FROM A PREDETERMINED POSITION INTO SAID HOLLOW PORTION, WITH FIRST MEANS INCLUDING AN ENTRANCE PORTION ASSOCIATED WITH SAID PEREDETERMINED POSITION AND A DISCHARGE PORTION, A SECOND MEANS FOR CREATING A VACUUM INTERMEDIATE SAID ENTRANCE AND DISCHARGE PORTIONS TO PROVIDE A FIRST FLOW OF CONVEYING MEDIUM TO COMPET SAID ARTICLE THROUGH SAID ENTRANCE PORTION AND TO PROVIDE A SECOND FLOW OF CONVEYING MEDIUM THROUGH SAID DISCHARGE PORTION IN A DIRECTION OPPOSITE TO THAT OF SAID FIRST FLOW, AND A THIRD MEANS HAVING AN ENLARGED OPENING AND BEING SPACED FROM AND ALIGNED WITH SAID DISCHARGE PORTION TO SUBSTANTIALLY DISASSOCIATE SAID HOLLOW PORTION OF SAID SLEEVE FROM SAID SECOND FLOW OF CONVEYING MEDIUM THROUGH SAID DISCHARGE PORTION.
Claim 2
Dependent Claim
138 words
PNEUMATIC CONVEYING APPARATUS FOR ASSEMBLING AN ARTICLE INTO A HOLLOW PORTION OF A SLEEVE, SAID APPARATUS COMPRISNG A FIRST MEANS FOR TRANSPORTING SAID ARTICLE FROM A PREDETERMINED POSITION INTO SAID HOLLOW PORTION, WITH FIRST MEANS INCLUDING AN ENTRANCE PORTION ASSOCIATED WITH SAID PEREDETERMINED POSITION AND A DISCHARGE PORTION, A SECOND MEANS FOR CREATING A VACUUM INTERMEDIATE SAID ENTRANCE AND DISCHARGE PORTIONS TO PROVIDE A FIRST FLOW OF CONVEYING MEDIUM TO COMPET SAID ARTICLE THROUGH SAID ENTRANCE PORTION AND TO PROVIDE A SECOND FLOW OF CONVEYING MEDIUM THROUGH SAID DISCHARGE PORTION IN A DIRECTION OPPOSITE TO THAT OF SAID FIRST FLOW, AND A THIRD MEANS HAVING AN ENLARGED OPENING AND BEING SPACED FROM AND ALIGNED WITH SAID DISCHARGE PORTION TO SUBSTANTIALLY DISASSOCIATE SAID HOLLOW PORTION OF SAID SLEEVE FROM SAID SECOND FLOW OF CONVEYING MEDIUM THROUGH SAID DISCHARGE PORTION.
References Cited (Backward Citations)
US2842923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |