Patent US2803352A successfully refreshed from Google Patents.
US2803352A
Expired / Lapsed
US
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Bracket for metal shelving
Assignee: Republic Steel Corp
•
Filing: 1954-06-24
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Granted: 1957-08-20
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Expires: 1974-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert E Smola
- 👤 Jr Frank A Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:04
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US830943A
Cited
US1080203A
Cited
US1441279A
Cited
US1871972A
Cited
US1962396A
Cited
US1880179A
Cited
US2102229A
Cited
US2285273A
Cited
US2604213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |