US2470416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canvas panel for artists
Assignee: MASTER TECHUIQUE BOARD CO
•
Filing: 1947-11-10
•
Granted: 1949-05-17
•
Expires: 1967-11-10
Abstract
No abstract record available.
Inventors
- 👤 Silver Stan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:12
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/18; B44D3/185; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/24231; Y10T428/24777; Y10T428/24785
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US386970A
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US685511A
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US921246A
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US1241866A
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US1358957A
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US1334879A
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US1616445A
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US1821824A
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US1963393A
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US2370874A
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US2367367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |