Patent US2777583A successfully refreshed from Google Patents.
US2777583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary shelf supports
Assignee: Individual
•
Filing: 1954-02-01
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Granted: 1957-01-15
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 William A Beltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:20
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/06; A47B96/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753678A
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US1115465A
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US1098227A
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US1147975A
Cited
US1352490A
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US1558977A
Cited
US1894310A
Cited
US1951972A
Cited
US2302406A
Cited
GB561564A
Cited
US2570731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |