Patent US3976346A successfully refreshed from Google Patents.
US3976346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide rails for drawers
Assignee: Grass GmbH
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Filing: 1975-04-25
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Granted: 1976-08-24
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Expires: 1995-04-25
Abstract
Abstract The invention relates to a guide rail for drawers in which the rail is formed with lugs engaging grooves in the side walls of the drawers frame into which the lugs are introduced by a rotary motion of a tool for anchorage purposes.
Inventors
- 👤 Alfred Grass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:55
CPC Classifications
A; A47; A47B; A47B88/00; A47B88/40; A47B88/483; A47B88/423; A47B88/427; A47B2210/00; A47B2210/0002; A47B2210/0021; A47B2210/0029; A47B2210/0043; A47B2210/0051; A47B2210/0059
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
A guide rail for drawers having a frame of the kind in which the rail is mounted in a groove in the side walls of the drawer frame by lugs expanded thereinto comprising a guide rail, lugs on the face of the rail engaging grooves in the side walls by deformation of the lugs in a direction parallel to the bottom of the groove.
Claim 2
Dependent Claim
64 words
A guide rail for drawers having a frame of the kind in which the rail is mounted in a groove in the side walls of the drawer frame by lugs expanded thereinto comprising a guide rail, lugs on the face of the rail engaging grooves in the side walls by deformation of the lugs in a direction parallel to the bottom of the groove.
Claim 3
Dependent Claim
25 words
A guide rail according to claim 1 with two supporting faces, characterised in that the lugs (5) lie in a position diametrically opposite one another.
Claim 4
Dependent Claim
29 words
A guide rail according to claim 2, characterised in that the opening (6) for a centering pin (11) of a tool (12) is arranged centrally between said lugs (5).
References Cited (Backward Citations)
US3677615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-24 | 1980-02-23 | 1980-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-24 | 1984-02-23 | 1984-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-24 | 1988-02-23 | 1988-08-24 | $7700.00 | Window Closed / Lapsed |