US2744620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary flour handling system
Assignee: Read Standard Corp
•
Filing: 1951-06-14
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Granted: 1956-05-08
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Expires: 1971-06-14
Abstract
No abstract record available.
Inventors
- 👤 Lewis B Davis
- 👤 John B Paulsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:25
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/08; B65G33/14; A; A21; A21C; A21C1/00; A21C1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A MATERIAL-HANDLING SYSTEM, THE COMBINATION OF: A FRAME; A SUPPORT CARRIED BY SAID FRAME AND PROVIDED WITH A CYLINDRICAL FLANGE; A TUBULAR CONVEYING MEMBER HAVING A CYLINDRICAL END TELESCOPED OVER AND BEING IN CIRCUMFERENTIAL ENGAGEMENT WITH SAID CYLINDRICAL FLANGE, SAID TUBULAR CONVEYING MEMBER BEING SPLIT LONGITUDINALLY INTO A PLURALITY OF PARTS SO THAT IS MAY BE DETACHED FROM SAID SUPPORT READILY BY SEPARATING SAID PARTS THEREOF FROM EACH OTHER; READILY RELEASABLE MEANS FOR SECURING SAID PARTS OF SAID TUBULAR CONVEYING MEMBER TOGETHER; ANNULAR SEALING MEANS BETWEEN SAID CYLINDRICAL FLANGE AND SAID END OF SAID TUBULAR CONVEYING MEMBER AND LONGITUDINAL SEALING MEANS BETWEEN SAID PARTS OF SAID TUBULAR CONVEYING MEMBER.
Claim 2
Dependent Claim
110 words
IN A MATERIAL-HANDLING SYSTEM, THE COMBINATION OF: A FRAME; A SUPPORT CARRIED BY SAID FRAME AND PROVIDED WITH A CYLINDRICAL FLANGE; A TUBULAR CONVEYING MEMBER HAVING A CYLINDRICAL END TELESCOPED OVER AND BEING IN CIRCUMFERENTIAL ENGAGEMENT WITH SAID CYLINDRICAL FLANGE, SAID TUBULAR CONVEYING MEMBER BEING SPLIT LONGITUDINALLY INTO A PLURALITY OF PARTS SO THAT IS MAY BE DETACHED FROM SAID SUPPORT READILY BY SEPARATING SAID PARTS THEREOF FROM EACH OTHER; READILY RELEASABLE MEANS FOR SECURING SAID PARTS OF SAID TUBULAR CONVEYING MEMBER TOGETHER; ANNULAR SEALING MEANS BETWEEN SAID CYLINDRICAL FLANGE AND SAID END OF SAID TUBULAR CONVEYING MEMBER AND LONGITUDINAL SEALING MEANS BETWEEN SAID PARTS OF SAID TUBULAR CONVEYING MEMBER.
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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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |