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US3788253A Expired / Lapsed US ⏱️ 0.0 years remaining

Flexible bearer

Assignee: Individual
•
Filing: 1972-04-03
•
Granted: 1974-01-29
•
Expires: 1992-04-03
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Abstract

Abstract A flexible bearer adapted to be placed on a ground surface adjacent an excavation for supporting the loose material removed from such excavation and protecting the natural environment adjacent the excavation. The bearer comprises a body formed of a flexible sheet of material reinforced by relatively thick strips of material fixedly secured to the underside of the body. Loops are provided along the marginal edges of the body to receive hooks or other lifting means to raise portions of the bearer.

Inventors

  • 👤 D Rickettson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 15:32
CPC Classifications
E; E02; E02D; E02D17/00; E02D17/06; E02D17/12

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 213 words
A bearer comprising: an elongated body formed of a flexible sheet of moisture-proof, tear resistant material adapted to receive bulk material on one side thereof; a plurality of reinforcing strips of flexible material sewn to the other side of said body and arranged in an intersecting pattern thereacross, said plurality of reinforcing strips including a first endless strip and a second endless strip; said first strip having a pair of straight portions extending lengthwise of said body along the longitudinal edges thereof and a pair of diagonal portions extending from the opposite ends of one of said straight portions to the opposite ends of the other of said straight portions; said diagonal portions intersecting intermediate their opposite ends; the opposite ends of said straight portions and said diagonal portions being joined together at curved junctures forming loops projecting axially outwardly of the opposite ends of said body; said second strip having a pair of straight portions extending crosswise of said body along the marginal edges thereof and a plurality of intersecting portions between said straight portions extending across said body; certain of said intersecting portions joined to said straight portions and to certain other of said intersecting portions at curved junctures forming loops projecting laterally outwardly from the longitudinal edges of said body.
Claim 2
Dependent Claim 213 words
A bearer comprising: an elongated body formed of a flexible sheet of moisture-proof, tear resistant material adapted to receive bulk material on one side thereof; a plurality of reinforcing strips of flexible material sewn to the other side of said body and arranged in an intersecting pattern thereacross, said plurality of reinforcing strips including a first endless strip and a second endless strip; said first strip having a pair of straight portions extending lengthwise of said body along the longitudinal edges thereof and a pair of diagonal portions extending from the opposite ends of one of said straight portions to the opposite ends of the other of said straight portions; said diagonal portions intersecting intermediate their opposite ends; the opposite ends of said straight portions and said diagonal portions being joined together at curved junctures forming loops projecting axially outwardly of the opposite ends of said body; said second strip having a pair of straight portions extending crosswise of said body along the marginal edges thereof and a plurality of intersecting portions between said straight portions extending across said body; certain of said intersecting portions joined to said straight portions and to certain other of said intersecting portions at curved junctures forming loops projecting laterally outwardly from the longitudinal edges of said body.
Claim 3
Dependent Claim 37 words
A bearer according to claim 1 including a third reinforcing strip extending lengthwise along the longitudinal axis of said body; said third strip terminating in loop formations projecting axially outwardly from the opposite ends of said body.
Claim 4
Dependent Claim 23 words
A bearer according to claim 1 wherein said flexible sheet material is laminated nylon and said reinforcing strips are formed of nylon webbing.

References Cited (Backward Citations)

US2423308A Cited
US2596735A Cited
US2943380A Cited
US3627620A Cited
US3687764A Cited
US3616151A Cited
US3622429A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-01-28 1977-07-30 1978-01-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-01-28 1981-07-30 1982-01-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-01-28 1985-07-30 1986-01-29 $7700.00 Window Closed / Lapsed

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