US3429847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon compounds and compositions containing the same
Assignee: Rhone Poulenc SA
•
Filing: 1965-10-23
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Granted: 1969-02-25
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Jean Boissieras
- 👤 Louis Frederic Ceyzeriat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:15
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B24/00; C04B24/40; C04B24/42; C04B26/00; C04B26/30; C04B26/32; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/495; C04B41/4961; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0892; C08; C08L; C08L83/00; C08L83/04; C04B2111/00; C04B2111/00474; C04B2111/00637; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/70; Y; Y10; Y10S; Y10S528/00; Y10S528/901
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |