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US3603109A Expired / Lapsed US ⏱️ 0.0 years remaining

Ring with resilient ring guard and securing screw

Assignee: Individual
•
Filing: 1969-08-28
•
Granted: 1971-09-07
•
Expires: 1989-08-28
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Abstract

Abstract A ring guard for reducing the effective size of a ring, said guard being a strip of plastic having a central portion thereof secured to the ring and offset end portions in sliding engagement with the inner surface of the ring.

Inventors

  • 👤 Valdemar Virtanen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:14
CPC Classifications
A; A44; A44C; A44C9/00; A44C9/02

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 88 words
In combination, a ring and ring-guard means secured thereto by a screw, said guard means comprising a resilient strip having a normally straight elongated center portion receiving said screw and opposite end portions offset in the same direction from said center portion, said end portions being brought into engagement with the inner surface of the ring prior to said center portion as the screw is tightened, thereby producing at each side of said screw a portion of said strip convexly arched and projecting radially inward of said ring.
Claim 2
Dependent Claim 88 words
In combination, a ring and ring-guard means secured thereto by a screw, said guard means comprising a resilient strip having a normally straight elongated center portion receiving said screw and opposite end portions offset in the same direction from said center portion, said end portions being brought into engagement with the inner surface of the ring prior to said center portion as the screw is tightened, thereby producing at each side of said screw a portion of said strip convexly arched and projecting radially inward of said ring.
Claim 3
Dependent Claim 20 words
The invention as recited in claim 1, wherein said strip is nylon and the said offset end portions are tapered.
Claim 4
Dependent Claim 33 words
The invention as recited in claim 1, wherein the screw passes through a hole formed in the center portion of said strip and is threaded into a threaded hole formed in the ring.
Claim 5
Dependent Claim 43 words
The invention as recited in claim 1, wherein the said strip includes an integral, central boss having a hole extending therethrough, wherein said boss extends into a hole formed in the ring, and wherein the said screw is threaded into the said boss.

References Cited (Backward Citations)

US1075673A Cited
US1219172A Cited
GB376142A Cited
US2184942A Cited
US2761294A Cited
US3238741A Cited
US3465544A Cited
US3460356A Cited
US3483718A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-06 1975-03-08 1975-09-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-06 1979-03-08 1979-09-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-06 1983-03-08 1983-09-07 $7700.00 Window Closed / Lapsed

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