US2352553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite boards
Assignee: Imperial Chemical Industries Ltd
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Filing: 1938-03-30
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Granted: 1944-06-27
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Expires: 1958-03-30
Abstract
No abstract record available.
Inventors
- 👤 Lefebure Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0092; C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/48; C04B41/4811; C04B41/4815; E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/043; C04B2111/00; C04B2111/00474; C04B2111/00612; C04B2111/0062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-06-27 | 1947-12-27 | 1948-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-27 | 1951-12-27 | 1952-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-27 | 1955-12-27 | 1956-06-27 | $7700.00 | Window Closed / Lapsed |