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US3237796A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of protecting and stacking bars

Assignee: Lasalle Steel Co
•
Filing: 1963-12-23
•
Granted: 1966-03-01
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Expires: 1983-12-23
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Abstract

No abstract record available.

Inventors

  • 👤 Charles H Callahan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:11
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/03; B65D57/00; B65D57/002; B65D57/003; B65D85/00; B65D85/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
IN A METHOD FOR THE STACKING OF STEEL BARS WHICH ARE SUBJECT TO SURFACE DAMAGE WHEN ENCOUNTERING SOLID OBJECTS AND WHICH HAVE A GENERALLY CIRCULAR CROSS SECTION, SAID BARS BEING ALIGNED IN PARALLEL RELATIONSHIP IN THE STACK AND RESTING ONE ON TOP OF THE OTHER, THE IMPROVEMENT COMPRISING THE STEPS OF PROVIDING A PLURALITY OF LENGTHS OF FLEXIBLE COVERING MATERIAL, FORMING EACH OF SAID LENGTHS OF MATERIAL INTO SPIRAL CONFIRUATIONS WHEREBY THE LENGTHS DEFINE A PLURALITY OF ELONGATED TUBULAR CONFIGURATIONS, DISPOSING ONE OF SAID SPIRAL LENGTHS AROUND AND FRICTIONALLY GRIPPING EACH OF SAID BARS TO COVER AT LEAST SUBSTANTIAL PORTIONS OF THE SURFACES THEREOF, THE INNER DIAMETER OF ANY ONE LENGTH BEING NOT GREATER THAN THE OUTER DIAMETER OF THE BAR WITH WHICH IT IS ASSOCIATED WHEREBY THE LENGTHS WILL TEND TO CLING SNUGLY AROUND EACH BAR, AND STACKING SAID BARS WITH THE SPIRAL LENGTHS THEREON UPON EACH OTHER WHEREBY SAID LENGTHS WILL MAINTAIN THE OUTER SURFACES OF SAID BARS IN SPACED-APART RELATIONSHIP.
Claim 2
Dependent Claim 163 words
IN A METHOD FOR THE STACKING OF STEEL BARS WHICH ARE SUBJECT TO SURFACE DAMAGE WHEN ENCOUNTERING SOLID OBJECTS AND WHICH HAVE A GENERALLY CIRCULAR CROSS SECTION, SAID BARS BEING ALIGNED IN PARALLEL RELATIONSHIP IN THE STACK AND RESTING ONE ON TOP OF THE OTHER, THE IMPROVEMENT COMPRISING THE STEPS OF PROVIDING A PLURALITY OF LENGTHS OF FLEXIBLE COVERING MATERIAL, FORMING EACH OF SAID LENGTHS OF MATERIAL INTO SPIRAL CONFIRUATIONS WHEREBY THE LENGTHS DEFINE A PLURALITY OF ELONGATED TUBULAR CONFIGURATIONS, DISPOSING ONE OF SAID SPIRAL LENGTHS AROUND AND FRICTIONALLY GRIPPING EACH OF SAID BARS TO COVER AT LEAST SUBSTANTIAL PORTIONS OF THE SURFACES THEREOF, THE INNER DIAMETER OF ANY ONE LENGTH BEING NOT GREATER THAN THE OUTER DIAMETER OF THE BAR WITH WHICH IT IS ASSOCIATED WHEREBY THE LENGTHS WILL TEND TO CLING SNUGLY AROUND EACH BAR, AND STACKING SAID BARS WITH THE SPIRAL LENGTHS THEREON UPON EACH OTHER WHEREBY SAID LENGTHS WILL MAINTAIN THE OUTER SURFACES OF SAID BARS IN SPACED-APART RELATIONSHIP.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-28 1969-08-30 1970-03-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-28 1973-08-30 1974-03-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-28 1977-08-30 1978-03-01 $7700.00 Window Closed / Lapsed

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