Patent US5906628A successfully refreshed from Google Patents.
US2199597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of laminated sheets
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1936-12-29
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Granted: 1940-05-07
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Expires: 1956-12-29
Abstract
No abstract record available.
Inventors
- 👤 Renfrew Archibald
- 👤 Gates William Elliott Frew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:19
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08F; C08F265/00; C08F265/04; C08F265/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1051
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) | 1943-05-07 | 1943-11-06 | 1944-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-07 | 1947-11-06 | 1948-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-07 | 1951-11-06 | 1952-05-07 | $7700.00 | Window Closed / Lapsed |