US3724204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible chain for personal wear
Assignee: Individual
•
Filing: 1971-10-15
•
Granted: 1973-04-03
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Expires: 1991-10-15
Abstract
Abstract A chain useful as a bracelet and necklace comprised of a plurality of independent link members and coupling bars linked to provide a flexible chain of attractive appearance and having no clasp. A coupling bar can be inserted past a constriction in the link member only when the plane of the coupling bar is substantially normal to the plane of the link member.
Inventors
- 👤 W Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:13
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/02; A44C5/10; A44C5/102
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
101 words
For use in a chain forming a bracklet and necklace link members and coupling bars, said link members comprising and having a vertical leg and horizontal arms defining hook and bright portions, the vertical leg forming a raised section adjacent said hook portion to provide a constricted entry into said bright portion, and said coupling bars formed to have a portion which can pass through said constriction only when the plane of said coupling member is substantially normal to the plane of said link member to thereby enable said coupling bar to hook onto said link member and remain captured therein.
Claim 2
Dependent Claim
101 words
For use in a chain forming a bracklet and necklace link members and coupling bars, said link members comprising and having a vertical leg and horizontal arms defining hook and bright portions, the vertical leg forming a raised section adjacent said hook portion to provide a constricted entry into said bright portion, and said coupling bars formed to have a portion which can pass through said constriction only when the plane of said coupling member is substantially normal to the plane of said link member to thereby enable said coupling bar to hook onto said link member and remain captured therein.
Claim 3
Dependent Claim
19 words
Apparatus as in claim 1 wherein said link members comprise an essentially I-shape having textured upper and side surfaces.
Claim 4
Dependent Claim
18 words
Apparatus as in claim 1 wherein said coupling bars are in the form of two serially connected H-shapes.
Claim 5
Dependent Claim
19 words
Apparatus as in claim 1 wherein said coupling bars and link members are of modular construction to be interchangeable.
Claim 6
Dependent Claim
20 words
Apparatus as in claim 1 wherein said link member comprises essentially four hook portions, and four coupling bars coupled thereto.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |