US3417045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer composition
Assignee: Dow Chemical Co
•
Filing: 1966-08-19
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Granted: 1968-12-17
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Expires: 1986-08-19
Abstract
No abstract record available.
Inventors
- 👤 Walter A Henson
- 👤 Robert L Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:27
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/04; C07D319/08; C07D493/00; C07D493/02; C07D493/10; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F22/00; C08F22/04; C08F22/10; C08F22/26; C08F8/00; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/40; C08G63/42; C08L; C08L35/00; C08L35/06; C08L63/00; C09; C09D; C09D135/00; C09D135/06; C09D137/00; C09D163/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T428/31522; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31786; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |