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Patent US3309055A successfully refreshed from Google Patents.
US3309055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding leg structure
Assignee: J CHEIN AND CO
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Filing: 1966-02-21
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Granted: 1967-03-14
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Sefcik Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:15
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/12; A47B13/00; A47B13/02; A47B2013/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A SUPPORTING LEG STRUCTURE FOR A TABLE TOP OR THE LIKE AND INCLUDING A PLURALITY OF TUBULAR LEGS AND RESILIENT LEGCONNECTING MEANS FOR JOINING THE LEGS INTERMEDIATE THEIR ENDS AND RETAINING THE SAME IN GENERALLY PARALLEL RELATION WHEN IN NON-TOP-SUPPORTING POSITION AND FOR TWISTING THE LEGS UNDER A BENDING STRESS TO A DOUBLE TRIPOD POSITION WHILE THE UPPER ENDS ARE SUPPORTING SAID TOP, SAID MEANS INCLUDING A PLURALITY OF SOCKETS, ONE FOR EACH LEG, WITH THROUGH BORES RECEIVING THE LEGS, AND WEBS CONNECTING SAID SOCKETS AND NORMALLY RETAINING THE LEGS IN SAID PARALLEL RELATION.
Claim 2
Dependent Claim
94 words
A SUPPORTING LEG STRUCTURE FOR A TABLE TOP OR THE LIKE AND INCLUDING A PLURALITY OF TUBULAR LEGS AND RESILIENT LEGCONNECTING MEANS FOR JOINING THE LEGS INTERMEDIATE THEIR ENDS AND RETAINING THE SAME IN GENERALLY PARALLEL RELATION WHEN IN NON-TOP-SUPPORTING POSITION AND FOR TWISTING THE LEGS UNDER A BENDING STRESS TO A DOUBLE TRIPOD POSITION WHILE THE UPPER ENDS ARE SUPPORTING SAID TOP, SAID MEANS INCLUDING A PLURALITY OF SOCKETS, ONE FOR EACH LEG, WITH THROUGH BORES RECEIVING THE LEGS, AND WEBS CONNECTING SAID SOCKETS AND NORMALLY RETAINING THE LEGS IN SAID PARALLEL RELATION.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |