US3305046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold and platform
Assignee: CONRAD KERN AG
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Filing: 1965-04-15
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Granted: 1967-02-21
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Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Schar Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:20
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/40; F16B12/42; A; A47; A47B; A47B47/00; A47B47/02; A47B47/021; A47B55/00; A47B55/02; A47B57/00; E; E04; E04G; E04G1/00; E04G1/15; E04G1/151
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A SCAFFOLD, COMPRISING: A PLURALITY OF VERTICALLY RELEASABLY INTERCONNECTED AND HORIZONTALLY SPACED INDEPENDENT FRAME UNITS, EACH UNIT INCLUDING A PAIR OF SPACED VERTICAL METAL COLUMNS AND HORIZONTAL SUPPORT MEANS CONNECTING TOGETHER THE COLUMNS OF A UNIT, SAID COLUMNS BEING RELEASABLY CONNECTABLE WITH THOSE OF A SIMILAR FRAME UNIT LOCATED VERTICALLY ABOVE; A HORIZONTAL RECTANGULAR PLATFORM EXTENDING BETWEEN EACH TWO NEIGHBORING PAIRS OF HORIZONTALLY SPACED FRAME UNITS AND SUPPORTED BY THE SAID SUPPORT MEANS OF EACH UNIT, SAID PLATFORM HAVING UPPER AND LOWER HORIZONTAL SURFACES; A FLAT METAL PLATE AT EACH CORNER OF SAID PLATFORM RIGIDLY MOUNTED ON AT LEAST ONE OF SAID UPPER AND LOWER HORIZONTAL SURFACES, SAID PLATE PROJECTING BEYOND THE TWO SIDES OF THE PLATFORM CONVERGING TO FORM THE CORRESPONDING CORNER; A RECESS IN EACH OF SAID PLATES FOR ACCEPTING A CORRESPONDING ONE OF SAID METAL COLUMNS, SAID RECESS BEING LOCATED IN THE PORTION OF THE PLATE PROJECTING BEYOND A PLATFORM SIDE EXTENDING BETWEEN THE NEIGHBORING PAIRS OF HORIZONTALLY SPACED FRAME UNITS; AND AT LEAST ONE STRUT DETACHABLY CONNECTING TOGETHER CORRESPONDING COLUMNS OF EACH TWO NEIGHBORING HORIZONTALLY SPACED FRAME UNITS.
Claim 2
Dependent Claim
182 words
A SCAFFOLD, COMPRISING: A PLURALITY OF VERTICALLY RELEASABLY INTERCONNECTED AND HORIZONTALLY SPACED INDEPENDENT FRAME UNITS, EACH UNIT INCLUDING A PAIR OF SPACED VERTICAL METAL COLUMNS AND HORIZONTAL SUPPORT MEANS CONNECTING TOGETHER THE COLUMNS OF A UNIT, SAID COLUMNS BEING RELEASABLY CONNECTABLE WITH THOSE OF A SIMILAR FRAME UNIT LOCATED VERTICALLY ABOVE; A HORIZONTAL RECTANGULAR PLATFORM EXTENDING BETWEEN EACH TWO NEIGHBORING PAIRS OF HORIZONTALLY SPACED FRAME UNITS AND SUPPORTED BY THE SAID SUPPORT MEANS OF EACH UNIT, SAID PLATFORM HAVING UPPER AND LOWER HORIZONTAL SURFACES; A FLAT METAL PLATE AT EACH CORNER OF SAID PLATFORM RIGIDLY MOUNTED ON AT LEAST ONE OF SAID UPPER AND LOWER HORIZONTAL SURFACES, SAID PLATE PROJECTING BEYOND THE TWO SIDES OF THE PLATFORM CONVERGING TO FORM THE CORRESPONDING CORNER; A RECESS IN EACH OF SAID PLATES FOR ACCEPTING A CORRESPONDING ONE OF SAID METAL COLUMNS, SAID RECESS BEING LOCATED IN THE PORTION OF THE PLATE PROJECTING BEYOND A PLATFORM SIDE EXTENDING BETWEEN THE NEIGHBORING PAIRS OF HORIZONTALLY SPACED FRAME UNITS; AND AT LEAST ONE STRUT DETACHABLY CONNECTING TOGETHER CORRESPONDING COLUMNS OF EACH TWO NEIGHBORING HORIZONTALLY SPACED FRAME UNITS.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |