US2474398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface fluxing coated liner
Assignee: Wood Conversion Co
•
Filing: 1943-04-21
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Granted: 1949-06-28
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Expires: 1963-04-21
Abstract
No abstract record available.
Inventors
- 👤 Clark C Heritage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:37
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/04; E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/31504; Y10T428/31815; Y10T428/31819; Y10T428/31823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1913704A
Cited
US732663A
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US1625888A
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US1782767A
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US2075836A
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US2053782A
Cited
US2263201A
Cited
US2295971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |