US3408325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Room temperature vulcanizable organopolysiloxane elastomers
Assignee: Wacker Chemie AG
•
Filing: 1967-02-13
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Granted: 1968-10-29
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 Hittmair Paul
- 👤 Nitzsche Siegfrid
- 👤 Wick Manfred
- 👤 Wohlfarth Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:16
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/10; C08G77/24; C08L; C08L83/00; C08L83/04; C08G77/045; C08G77/14; C08G77/16; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2579418A
Cited
US2885370A
Cited
US3043798A
Cited
DE1120690B
Cited
US3032528A
Cited
US3243404A
Cited
GB1024234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |