US3184074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Background panel structure
Assignee: Individual
•
Filing: 1963-04-05
•
Granted: 1965-05-18
•
Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Walter P Baermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:46
CPC Classifications
A; A47; A47F; A47F11/00; A47F11/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
AN IMPROVED BACKGROUND PANEL WHICH COMPRISES: SUPPORT POSTS, INDIVIDUAL EXTENSION UNITS AND A FLAT SHEET BETWEEN AND SUPPORTED BY SAID POSTS, SAID INDIVIDUAL EXTRUSION UNITS INCLUDING INTERLOCKING MEMBERS, SAID INDIVIDUAL EXTRUSION UNITS BEING HOLLOW AND HAVING OPENINGS COMMUNICATING WITH THE INTERIOR OF SAID UNITS, SAID OPENINGS BEING ADAPTED FOR RECEIVING SHELF SUPPORTING BRACKETS AND THE LIKE.
References Cited (Backward Citations)
US2190494A
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FR856548A
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US2250583A
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US2388297A
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US2769553A
Cited
US2954125A
Cited
US3067536A
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US3102611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |