Patent US3209894A successfully refreshed from Google Patents.
US3209894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor
Assignee: Joy Manufacturing Co
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Filing: 1964-06-24
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Granted: 1965-10-05
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Baechli George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:48
CPC Classifications
E; E21; E21F; E21F13/00; E21F13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A CONVEYOR CONSISTING OF AN INFLATABLE BAG HAVING A FIRST ELONGATED FLEXIBLE GENERALLY FLAT PORTION SUPPORATABLE ON A SUPPORTING SURFACE AND HAVING A PAIR OF END PORTIONS; A SECOND ELONGATED FLEXIBLE GENERALLY FLAT PORTION OVERLYING AND ABUTTINGLY ENGAGEABLE WITH SAID FIRST PORTION WHEN SID INFLATABLE BAG IS DEFLATED AND HAVING A PAIR OF END PORTIONS CONNECTED TO THE END PORTIONS, RESPECTIVELY, OF SAID FIRST FLAT PORTION; SAID FLAT PORTIONS HAVING FIXED LONGITUDINAL EDGES, RESPECTIVELY, DISPOSED ALONG AN ELONGATED AXIS; SAID BAG BEING EXTERNALLY CONSTRAINED AGAINST MOVEMENT UPON INFLATION THEREOF ONLY BY SAID SURFACE AND SAID FIXED LONGITUDINAL EDGES; SAID FLAT PORTIONS HAVING OTHER LONGITUDINAL EDGES; RESPECTIVELY, SPACED LATERALLY FROM SAID FIXED LONGITUDINAL EDGES; A PLURALITY OF OVERLAPPING FOLDED PLIABLE PORTIONS CONNECTING SAID OTHER LONGITUDINAL EDGES OF SAID FLAT PORTIONS, RESPECTIVELY; SAID FOLDED PORTIONS EXTENDING LATERALLY OUTWARDLY FROM SAID OTHER LONGITUDINAL EDGES AND SUPPORTED ONLY BY SAID OTHER EDGES AND SAID SUPPORTING SURFACE; AND MEANS CONNECTED TO SAID OVERLAPPING FOLDED PLIABLE PORTIONS FOR INFLATING AND DEFLATING SAID BAG.
Claim 2
Dependent Claim
167 words
A CONVEYOR CONSISTING OF AN INFLATABLE BAG HAVING A FIRST ELONGATED FLEXIBLE GENERALLY FLAT PORTION SUPPORATABLE ON A SUPPORTING SURFACE AND HAVING A PAIR OF END PORTIONS; A SECOND ELONGATED FLEXIBLE GENERALLY FLAT PORTION OVERLYING AND ABUTTINGLY ENGAGEABLE WITH SAID FIRST PORTION WHEN SID INFLATABLE BAG IS DEFLATED AND HAVING A PAIR OF END PORTIONS CONNECTED TO THE END PORTIONS, RESPECTIVELY, OF SAID FIRST FLAT PORTION; SAID FLAT PORTIONS HAVING FIXED LONGITUDINAL EDGES, RESPECTIVELY, DISPOSED ALONG AN ELONGATED AXIS; SAID BAG BEING EXTERNALLY CONSTRAINED AGAINST MOVEMENT UPON INFLATION THEREOF ONLY BY SAID SURFACE AND SAID FIXED LONGITUDINAL EDGES; SAID FLAT PORTIONS HAVING OTHER LONGITUDINAL EDGES; RESPECTIVELY, SPACED LATERALLY FROM SAID FIXED LONGITUDINAL EDGES; A PLURALITY OF OVERLAPPING FOLDED PLIABLE PORTIONS CONNECTING SAID OTHER LONGITUDINAL EDGES OF SAID FLAT PORTIONS, RESPECTIVELY; SAID FOLDED PORTIONS EXTENDING LATERALLY OUTWARDLY FROM SAID OTHER LONGITUDINAL EDGES AND SUPPORTED ONLY BY SAID OTHER EDGES AND SAID SUPPORTING SURFACE; AND MEANS CONNECTED TO SAID OVERLAPPING FOLDED PLIABLE PORTIONS FOR INFLATING AND DEFLATING SAID BAG.
References Cited (Backward Citations)
US2105160A
Cited
US2829803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |