US3500626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treatment of molecularly oriented crystalline organic polymeric material
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1965-07-01
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Granted: 1970-03-17
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Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Denis James Henry Sandiford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; D01D10/00; D01D10/04; D01D10/0436; D07; D07B; D07B5/00; D07B7/00; D07B7/16; D07B1/00; D07B1/02; D07B2201/00; D07B2201/20; D07B2201/2001; D07B2201/2002; D07B2201/2003; D07B2205/00; D07B2205/20; D07B2205/201; D07B2205/2039; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10S57/00; Y10S57/907
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |