US3417115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing organometallic isocyanates
Assignee: Stauffer Chemical Co
•
Filing: 1965-02-03
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Granted: 1968-12-17
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Expires: 1985-02-03
Abstract
No abstract record available.
Inventors
- 👤 Stamm Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:13
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/10; C07F9/00; C07F9/66; C07F9/70; C07F9/90; C07F9/94; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/24; C08G18/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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 |