Patent US3603109A successfully refreshed from Google Patents.
US3603109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring with resilient ring guard and securing screw
Assignee: Individual
•
Filing: 1969-08-28
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Granted: 1971-09-07
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Expires: 1989-08-28
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 21:17
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)
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Cited
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Cited
US2184942A
Cited
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Cited
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Cited
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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 |