Patent US3268265A successfully refreshed from Google Patents.
US3268265A
Expired / Lapsed
US
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Material handling system
Assignee: Motors Liquidation Co
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Filing: 1964-09-29
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Granted: 1966-08-23
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Willott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:15
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/02; B65G51/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A MATERIAL HANDLING DEVICE FOR SUPPORTING ARTICLES AND FACILITATING THE CONVEYANCE THEREOF COMPRISING, A PLURALITY OF SPACED UPSTANDING SUPPORT MEMBERS, EACH OF SAID SUPPORT MEMBERS TERMINATING WITH AN AIR JET ASSEMBLY HAVING A SUBSTANTIALLY FLAT SUPPORT SURFACE, MEANS UNIVERSALLY PIVOTALLY CONNECTING EACH AIR JET TO ITS ASSOCIATED SUPPORT MEMBER, SAID AIR JET ASSEMBLY INCLUDING SPRINGBIASED CHECK VALVE HAVING A PORTION THEREOF EXTENDING ABOVE THE PLANE OF SAID SUPPORT SURFACE SO THAT DEPRESSION OF SAID CHECK VALVE BY SAID ARTICLE RESULTS IN PRESSURIZED AIR BEING EMITTED FROM SAID JET ASSEMBLY.
Claim 2
Dependent Claim
89 words
A MATERIAL HANDLING DEVICE FOR SUPPORTING ARTICLES AND FACILITATING THE CONVEYANCE THEREOF COMPRISING, A PLURALITY OF SPACED UPSTANDING SUPPORT MEMBERS, EACH OF SAID SUPPORT MEMBERS TERMINATING WITH AN AIR JET ASSEMBLY HAVING A SUBSTANTIALLY FLAT SUPPORT SURFACE, MEANS UNIVERSALLY PIVOTALLY CONNECTING EACH AIR JET TO ITS ASSOCIATED SUPPORT MEMBER, SAID AIR JET ASSEMBLY INCLUDING SPRINGBIASED CHECK VALVE HAVING A PORTION THEREOF EXTENDING ABOVE THE PLANE OF SAID SUPPORT SURFACE SO THAT DEPRESSION OF SAID CHECK VALVE BY SAID ARTICLE RESULTS IN PRESSURIZED AIR BEING EMITTED FROM SAID JET ASSEMBLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |