Patent US1647506A successfully refreshed from Google Patents.
Patent US3986616A successfully refreshed from Google Patents.
US3986616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf
Assignee: Individual
•
Filing: 1975-06-24
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Granted: 1976-10-19
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Expires: 1995-06-24
Abstract
Abstract A shelf which includes a shelf body with downturned flanges along its longitudinal edges and with end caps in each end of the shelf. The end caps have inturned top and bottom walls and inturned side edge flanges. The end caps top walls are spot welded to the shelf. The end caps have holes in the side edge flanges through which bolts pass as well as through holes in the shelf flanges providing for attachment of the shelving to uprights with increased shear strength resistance at the points of attachment.
Inventors
- 👤 Robert Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:53
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/06; A47B57/18; A47B96/00; A47B96/02; A47B96/021
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
129 words
A shelf which comprises a shelf body of sheet metal having a horizontal top wall with downturned vertical flanges along the longitudinal edges of said wall, and inwardly extending horizontal ribs attached to said flanges, said flanges having spaced elongated slots adjacent their ends to provide for attachment of said shelf body, and end caps at each end of said shelf body in contact therewith, said end caps each having an upper horizontal wall portion beneath and in contact with said horizontal top wall, an outer vertical end wall portion extending from said upper wall, vertical side flange portions extending from opposite end edges of said end wall portion inwardly along said vertical flanges beyond said elongated slots and having elongated slots aligned with the slots in said flanges.
Claim 2
Dependent Claim
129 words
A shelf which comprises a shelf body of sheet metal having a horizontal top wall with downturned vertical flanges along the longitudinal edges of said wall, and inwardly extending horizontal ribs attached to said flanges, said flanges having spaced elongated slots adjacent their ends to provide for attachment of said shelf body, and end caps at each end of said shelf body in contact therewith, said end caps each having an upper horizontal wall portion beneath and in contact with said horizontal top wall, an outer vertical end wall portion extending from said upper wall, vertical side flange portions extending from opposite end edges of said end wall portion inwardly along said vertical flanges beyond said elongated slots and having elongated slots aligned with the slots in said flanges.
Claim 3
Dependent Claim
29 words
A shelf as defined in claim 1 in which said upper horizontal wall portions of said end caps and said top wall of said shelf body are secured together.
Claim 4
Dependent Claim
37 words
A shelf as defined in claim 1 in which said end caps have horizontal bottom wall portions extending inwardly from the bottom edge of said end wall portion and disposed beneath and in engagement with said ribs.
Claim 5
Dependent Claim
23 words
A shelf as defined in claim 3 in which said bottom wall portions of said end caps and said ribs are secured together.
References Cited (Backward Citations)
US1853840A
Cited
US3081717A
Cited
US3217671A
Cited
US3481486A
Cited
US3556309A
Cited
US3554142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-19 | 1980-04-19 | 1980-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-19 | 1984-04-19 | 1984-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-19 | 1988-04-19 | 1988-10-19 | $7700.00 | Window Closed / Lapsed |