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US2512828A
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Speaker's stand
Assignee: Individual
•
Filing: 1948-09-11
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Granted: 1950-06-27
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Expires: 1968-09-11
Abstract
No abstract record available.
Inventors
- 👤 Fred V Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:54
CPC Classifications
A; A47; A47B; A47B19/00; A47B19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1372017A
Cited
US1801208A
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FR668314A
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US1889575A
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US1959038A
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US2046697A
Cited
US2181133A
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US2369284A
Cited
US2411514A
Cited
US2401434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |