US3532761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of methyl chloroform
Assignee: PPG Industries Inc
•
Filing: 1969-05-07
•
Granted: 1970-10-06
•
Expires: 1989-05-07
Abstract
No abstract record available.
Inventors
- 👤 James A Manner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:37
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02861; C23G5/0288; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2947792A
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US3265747A
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US3251891A
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US3445532A
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BE624485A
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US3326989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |