Patent US2926719A successfully refreshed from Google Patents.
US2926719A
Expired / Lapsed
US
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Process and apparatus for molding board in a continuous strip
Assignee: Individual
•
Filing: 1953-06-25
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Granted: 1960-03-01
•
Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 William R Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:13
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/24
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |