US2430205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Public speaking criticism board
Assignee: Individual
•
Filing: 1944-12-30
•
Granted: 1947-11-04
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:04
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194517A
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US1648410A
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US1481132A
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US1479979A
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US1401608A
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US1514823A
Cited
US1683827A
Cited
US2042738A
Cited
US2085881A
Cited
US2325764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |