US3606028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interconnecting members for exterior connection to rack column
Assignee: Unarco Industries LLC
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Filing: 1970-06-04
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Granted: 1971-09-20
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Expires: 1990-06-04
Abstract
Abstract A RACK WITH KNOCKDOWN CHARACTER IS PROVIDED BY HORIZONTAL FRAME MEMBERS WITH INTERENGAGING ENDS THAT DEFINE A SLEEVE-LIKE CONNECTOR FOR COOPERATING WITH VERTICAL UPRIGHTS, WHEREIN THE VERTICAL UPRIGHT IS IMPERFORATE WITH ONE SIDE SHAPED TO PROVIDE A VERTICAL SERIES OF UNIFORMLYSPACED PROTUBERANCES THAT ARE ADAPTED TO ENTER APERATURES DEFINED ON THE SLEEVE-LIKE CONNECTOR TO PROVIDE A SUPPORTING INTERCONNECTION.
Inventors
- 👤 Herbert H Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:15
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |