US3535392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized methylchloroform
Assignee: PPG Industries Inc
•
Filing: 1969-02-26
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Granted: 1970-10-20
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Expires: 1989-02-26
Abstract
No abstract record available.
Inventors
- 👤 Charles L Cormany
- 👤 William R Dial
- 👤 Blaine O Pray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:31
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02893; C07; C07C; C07C17/00; C07C17/38; C07C17/42; C23G5/02883; C11; C11D; C11D7/00; C11D7/22; C11D7/28; C11D7/32
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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |