US3815392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key retainer
Assignee: Individual
•
Filing: 1972-07-21
•
Granted: 1974-06-11
•
Expires: 1992-07-21
Abstract
Abstract A key retainer having a hollow support including a front wall with narrow slots each terminating in an enlarged opening. A Ushaped spring within the support with one leg spaced from the slots and lying against said enlarged openings. Key retaining loops each having an enlarged end portion movable through said enlarged opening to depress the spring and engage a slit, the spring then removably retaining the loop in engagement with said slot.
Inventors
- 👤 B Laufer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:27
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; A45C11/323; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8784
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
202 words
A key retainer comprising a hollow support having front and rear walls, said front wall including a plurality of slots with each slot terminating in an enlarged opening, U-shaped spring means within said support and having a deflectable portion spaced from said slots and bearing against the portion of said front wall including said openings, and key retaining loops each having a ball-like portion carried by a neck extending therefrom, said openings being greater in size than said ball-like portions and said slots having a width slightly greater than the width of said necks, said front wall comprising an upper outwardly extending rounded portion and a lower portion spaced inwardly of and depending from said rounded portion, said rounded portion having said slots therein with said enlarged terminal openings being formed in said lower front wall portion, said U-shaped spring being positioned in said support in an inverted position with one leg of said spring lying against said rear wall and the other leg of said spring extending downwardly in spaced relation to the upper rounded portion of said front wall, the lower end of said other leg bearing against the lower portion of said front wall and being displaceable inwardly thereof.
Claim 2
Dependent Claim
202 words
A key retainer comprising a hollow support having front and rear walls, said front wall including a plurality of slots with each slot terminating in an enlarged opening, U-shaped spring means within said support and having a deflectable portion spaced from said slots and bearing against the portion of said front wall including said openings, and key retaining loops each having a ball-like portion carried by a neck extending therefrom, said openings being greater in size than said ball-like portions and said slots having a width slightly greater than the width of said necks, said front wall comprising an upper outwardly extending rounded portion and a lower portion spaced inwardly of and depending from said rounded portion, said rounded portion having said slots therein with said enlarged terminal openings being formed in said lower front wall portion, said U-shaped spring being positioned in said support in an inverted position with one leg of said spring lying against said rear wall and the other leg of said spring extending downwardly in spaced relation to the upper rounded portion of said front wall, the lower end of said other leg bearing against the lower portion of said front wall and being displaceable inwardly thereof.
Claim 3
Dependent Claim
52 words
A key retainer according to claim 1 wherein said support includes a top wall and a bottom wall, said one leg of said spring has a bottom portion extending outwardly and abutting the joinder of said bottom and front walls and urging the upper portion of said spring against the top wall.
References Cited (Backward Citations)
US3132504A
Cited
US3700392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |