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US3591223A Expired / Lapsed US ⏱️ 0.0 years remaining

Single-use seal lock

Assignee: EDUARDO DE LIMA CASTRO NETO
•
Filing: 1968-10-01
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Granted: 1971-07-06
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Expires: 1988-10-01
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Abstract

Abstract A seal lock designed for a single use having a socket member and a plug insertable in said socket. The plug is provided with flexible arms which will coact with ledges in the socket portion to prevent removal of the plug when once inserted. The socket is provided with apertures for wires or threads and also the plug is provided with furrows for carrying such wires and threads.

Inventors

  • 👤 Eduardo De Lima Castro Neto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:56
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0311; G09F3/0323; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T292/00; Y10T292/23; Y10T292/237; Y10T292/48; Y10T292/497; Y10T292/498

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 147 words
A singLe-use seal lock for use with a sealing wire or thread comprising a socket having a hollow with inclined sides, each of said inclined sides having a ledge portion projecting towards the center, said socket having an opening at its base with inclined walls, a plug member to be inserted into said socket having a base member with inclined walls to fit said opening, a central member extending upwardly from said base, furrows in said central member extending longitudinally from the base, means on the top of the central member and extending from the furrows for retaining the wire or thread, flexible inclined arms at the top of said central member extending towards said base designed to bend when inserted through said opening in said base member and then have their ends snap in back of said ledge portions to prevent withdrawal of said plug member.
Claim 2
Dependent Claim 147 words
A singLe-use seal lock for use with a sealing wire or thread comprising a socket having a hollow with inclined sides, each of said inclined sides having a ledge portion projecting towards the center, said socket having an opening at its base with inclined walls, a plug member to be inserted into said socket having a base member with inclined walls to fit said opening, a central member extending upwardly from said base, furrows in said central member extending longitudinally from the base, means on the top of the central member and extending from the furrows for retaining the wire or thread, flexible inclined arms at the top of said central member extending towards said base designed to bend when inserted through said opening in said base member and then have their ends snap in back of said ledge portions to prevent withdrawal of said plug member.
Claim 3
Dependent Claim 23 words
A seal lock as set forth in claim 1 wherein the means for retaining the wire or thread in the furrows are teeth.
Claim 4
Dependent Claim 29 words
A seal lock as set forth in claim 1 wherein said base is elongated and an extension is provided upon said base larger than said opening in said base.
Claim 5
Dependent Claim 18 words
A seal lock as set forth in claim 1 wherein said socket is provided with apertures for wires.

References Cited (Backward Citations)

US1727754A Cited
US721926A Cited
US1054440A Cited
US1614592A Cited
US1580946A Cited
US3149869A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-07-05 1975-01-04 1975-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-05 1979-01-04 1979-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-05 1983-01-04 1983-07-06 $7700.00 Window Closed / Lapsed

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