US3320003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping slide
Assignee: COLUMBIAN SLIDES Inc
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Filing: 1964-07-07
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Granted: 1967-05-16
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Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 Edelson Leo
- 👤 Albert H Rafter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:11
CPC Classifications
A; A47; A47B; A47B1/00; A47B1/10; A47B88/00; A47B88/40; A47B88/49; A47B2210/00; A47B2210/0002; A47B2210/0051; A47B2210/0059
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
190 words
A SLIDE COMPRISING A PLURALITY OF INTERLOCKING MEMBERS EACH HAVING TWO CO-PLANAR WEBS JOINED BY A SECTION FORMING A CENTRAL LONGITUDINAL GROOVE EXTENDING ALONG THE LENGTH THEREOF, THE RESPECTIVE WEBS OF A FIRST PAIR OF SAID MEMBERS BEING JOINED TOGETHER SO THAT THEIR GROOVES FACE IN OPPOSITE DIRECTIONS TO FORM A FIRST CLOSED TUBE EXTENDING ALONG THE LENGTH OF THE SLIDE, THE RESPECTIVE WEBS OF A SECOND PAIR OF SAID MEMBERS BEING JOINED TOGETHER SO THAT THEIR GROOVES FACE IN OPPOSITE DIRECTIONS TO FORM A SECOND CLOSED TUBE EXTENDING ALONG THE LENGTH OF THE SLIDE, ONE OF THE LONGITUDINAL EDGES OF ONE MEMBER OF SAID FIRST PAIR AND BOTH LONGITUDINAL EDGES OF THE OTHER MEMBER OF SAID FIRST PAIR BEING BENT OVER AWAY FROM THE OTHER MEMBER OF SAID FIRST PAIR TO FORM A FIRST BEAM STRUCTURE, BOTH LONGITUDINAL EDGES OF EACH MEMBER OF SAID SECOND PAIR OF MEMBERS BEING BENT OVER AWAY FROM THE OTHER MEMBER OF SAID SECOND PAIR TO FORM A SECOND BEAM STRUCTURE, THE LONGITUDINAL BENT-OVER EDGES OF ONE MEMBER OF SAID SECOND PAIR OF MEMBERS BEING ADDITIONALLY BENT TO FORM WITH THEIR RESPECTIVE WEBS, S-SHAPED
References Cited (Backward Citations)
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FR820907A
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US2265927A
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US2626195A
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US2757051A
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US2759773A
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US2872261A
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US2844430A
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FR1193165A
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US3097614A
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US3215475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |