US3455736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured polyarylene oxides and process therefor
Assignee: 3M Co
•
Filing: 1967-03-23
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Granted: 1969-07-15
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Expires: 1987-03-23
Abstract
No abstract record available.
Inventors
- 👤 Horace R Davis
- 👤 Charles W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:24
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; C; C08; C08G; C08G65/00; C08G65/34; C08G65/48; C08G65/485; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10S525/00; Y10S525/905; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |