Patent US2523966A successfully refreshed from Google Patents.
US2523966A
Expired / Lapsed
US
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Process and apparatus for manufacturing multiply sheet material
Assignee: BRITISH ARTIFICIAL RESIN Co Ltd
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Filing: 1945-06-28
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Granted: 1950-09-26
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Expires: 1965-06-28
Abstract
No abstract record available.
Inventors
- 👤 Nicholson John Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:11
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1019406A
Cited
US1303753A
Cited
US1609222A
Cited
US1845775A
Cited
US2068893A
Cited
US2218373A
Cited
US2433965A
Cited
GB551179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |