US3404168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urethane modified mercaptomethyl siloxanes
Assignee: Bayer AG
•
Filing: 1964-07-20
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Granted: 1968-10-01
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Simmler Walter
- 👤 Niederprum Hans
- 👤 Noll Walter
- 👤 Schnurrbusch Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:41
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/61; C08G77/00; C08G77/04; C08G77/22; C08G77/28; C08G77/38; C08G77/382; C08G77/392
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |