US3515626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic laminates having improved surface properties
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1966-02-07
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Granted: 1970-06-02
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Alan Duffield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:30
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C48/00; B29C48/022; C; C08; C08K; C08K3/00; C08K3/01; C08K3/013; B29C48/03; B29C48/07; B29C48/08; B29K; B29K2105/00; B29K2105/06; B29K2105/12; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/25; Y10T428/252; Y10T428/259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3382305A
Cited
US3017302A
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US2948583A
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US3154461A
Cited
US3187982A
Cited
US3201506A
Cited
US3238284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |