Patent US2716804A successfully refreshed from Google Patents.
US2716804A
Expired / Lapsed
US
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Method of making panels
Assignee: Woodall Industries Inc
•
Filing: 1950-01-14
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Granted: 1955-09-06
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Expires: 1970-01-14
Abstract
No abstract record available.
Inventors
- 👤 Johnson Charles Bayard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:21
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; B27D1/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1941025A
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US2030072A
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US2021290A
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US2080593A
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US2142438A
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US2192063A
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US2263815A
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US2197150A
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US2486666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |