US2260081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding of sheets from plastic masses
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1939-03-23
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Granted: 1941-10-21
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Expires: 1959-03-23
Abstract
No abstract record available.
Inventors
- 👤 Lefebure Victor
- 👤 Sandford John Briscoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:16
CPC Classifications
C; C04; C04B; C04B38/00; C04B38/0003; B; B28; B28B; B28B1/00; B28B1/08; B28B1/084; B28B19/00; B28B19/0092; Y; Y10; Y10S; Y10S264/00; Y10S264/11
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) | 1944-10-20 | 1945-04-21 | 1945-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-20 | 1949-04-21 | 1949-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-20 | 1953-04-21 | 1953-10-21 | $7700.00 | Window Closed / Lapsed |