US3453248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition consisting essentially of hydrocarbon polymer and an organo silicon compound
Assignee: Dow Silicones Corp
•
Filing: 1965-11-12
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Granted: 1969-07-01
•
Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 William G Gowdy
- 👤 Joseph W Keil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/5406; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3278484A
Cited
US3312669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |