US120039A - Improvement in slate-frames - Google Patents

Improvement in slate-frames Download PDF

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Publication number
US120039A
US120039A US120039DA US120039A US 120039 A US120039 A US 120039A US 120039D A US120039D A US 120039DA US 120039 A US120039 A US 120039A
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Prior art keywords
slate
frames
improvement
clay
easton
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Expired - Lifetime
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
    • H10W10/01—Manufacture or treatment
    • H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
    • H10W10/014—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations
    • H10W10/0143—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations comprising concurrently refilling multiple trenches having different shapes or dimensions
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
    • H10W10/10—Isolation regions comprising dielectric materials
    • H10W10/17—Isolation regions comprising dielectric materials formed using trench refilling with dielectric materials, e.g. shallow trench isolations

Definitions

  • corner pieces may be firmly applied to the frame and can be hung up on a hook or nail. They may be strengthened by springs embedded therein.
  • the elastic corner pieces O constructed with apertures and wings b b to adapt them for application to a slate-ame, as and for the purpose specied.

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  • Absorbent Articles And Supports Therefor (AREA)

Description

YH.-Nl. CLAY. lmpro'vemenf in Slate Frames.
Patented om. 17,1871.
qiy.
UNITED STATES HENRY M. CLAY, OF EASTON, PENNSYLVANIA.
IMPROVEMENT IN SLATE-FRAMES.
Specification forming part of Letters Patent No. 120,039, dated October 1'7, 1871.
To all 'whom it may concern:
Be it known that I, HENRYv M. CLAY, of Easton, in the county of Northampton and State of Pennsylvania, have invented a new and useful Improvement in School-Slates; and I do'hereby declare that the following is a full, clear, and eX- act description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing forming part of this specification.
edges of the frame by glue, or in any suitable mannenY The advantage to the public of these corner pieces is that they may be firmly applied to the frame and can be hung up on a hook or nail. They may be strengthened by springs embedded therein.
Having thus described all that is necessary to a full understanding of'my invention, what I esteem to be new, and desire to protect by Letters Patent, is-
The elastic corner pieces O constructed with apertures and wings b b to adapt them for application to a slate-ame, as and for the purpose specied.
HENRY M. CLAY.
Witnesses WM. H. KELLER, J r., W. W. WILEDHAND.
US120039D Improvement in slate-frames Expired - Lifetime US120039A (en)

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US120039A true US120039A (en) 1871-10-17

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