US3387808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible support structure
Assignee: Athena Industries Inc
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Filing: 1966-11-29
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Granted: 1968-06-11
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Expires: 1986-11-29
Abstract
No abstract record available.
Inventors
- 👤 Derek N G Metcalf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:56
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/04; E; E01; E01F; E01F9/00; E01F9/60; E01F9/688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A COLLAPSIBLE STANDARD, COMPRISING: A TUBULAR HOLDER; MEANS THEREON FOR CONNECTION TO SAID HOLDER, SAID MEANS BEING MOVABLE AXIALLY AND ROTATIONALLY WITH RESPECT THERETO; AND A PLURALITY OF LEGS EXTENDING OUTWARD FROM SAID HOLDER, SOME OF SAID LEGS HAVING INNER PORTIONS AFFIXED TO SAID MEANS, THE REMAINDER OF SAID LEGS HAVING INNER PORTIONS AFFIXED DIRECTLY TO SAID HOLDER, SAID MEANS IN ENGAGEMENT AGAINST SAID INNER PORTIONS OF ALL SAID LEGS WHEN SPREAD IN A SUPPORT DISPOSITION TO ABUT AND THEREBY INTERLOCK SAID INNER PORTIONS, ONE AGAINST ANOTHER, YET SAID MEANS MOVABLE AXIALLY OUT OF SAID ENGAGEMENT TO UNLOCK SAID DISPOSITION AND THEREBY ENABLE SAID STANDARD TO BE COLLAPSED BY ROTATION TOGETHER OF SAID LEGS.
Claim 2
Dependent Claim
114 words
A COLLAPSIBLE STANDARD, COMPRISING: A TUBULAR HOLDER; MEANS THEREON FOR CONNECTION TO SAID HOLDER, SAID MEANS BEING MOVABLE AXIALLY AND ROTATIONALLY WITH RESPECT THERETO; AND A PLURALITY OF LEGS EXTENDING OUTWARD FROM SAID HOLDER, SOME OF SAID LEGS HAVING INNER PORTIONS AFFIXED TO SAID MEANS, THE REMAINDER OF SAID LEGS HAVING INNER PORTIONS AFFIXED DIRECTLY TO SAID HOLDER, SAID MEANS IN ENGAGEMENT AGAINST SAID INNER PORTIONS OF ALL SAID LEGS WHEN SPREAD IN A SUPPORT DISPOSITION TO ABUT AND THEREBY INTERLOCK SAID INNER PORTIONS, ONE AGAINST ANOTHER, YET SAID MEANS MOVABLE AXIALLY OUT OF SAID ENGAGEMENT TO UNLOCK SAID DISPOSITION AND THEREBY ENABLE SAID STANDARD TO BE COLLAPSED BY ROTATION TOGETHER OF SAID LEGS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |