Patent US3539406A successfully refreshed from Google Patents.
US3539406A
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US
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Essentially nonaqueous emulsions
Assignee: Baker Petrolite LLC
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Filing: 1967-05-10
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Granted: 1970-11-10
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Expires: 1987-05-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Lissant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:45
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/32; C10L1/328; C09; C09K; C09K23/00; C10L1/10; C10L1/14; C10L1/143; C10L1/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2927849A
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US2920948A
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US3095334A
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US3105747A
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US3212866A
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US3396537A
Cited
US3346494A
Cited
US3352109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |