US3226437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n'-bisolelyloxamide
Assignee: Gulf Oil Corp
•
Filing: 1961-09-05
•
Granted: 1965-12-28
•
Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Harry D Anspon
- 👤 Roger P Cahoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:47
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2461509A
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US2594286A
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US2977309A
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US2965676A
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US2991265A
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US3023242A
Cited
US3021296A
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US3022345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |