US2086077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of halogenated epoxides
Assignee: Shell Development Co
•
Filing: 1934-05-09
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Granted: 1937-07-06
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Expires: 1954-05-09
Abstract
No abstract record available.
Inventors
- 👤 Herbert P A Groll
- 👤 Hearne George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:29
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/56; C07C45/57; C07C45/58; C07C47/00; C07C47/02; C07C47/19; C07C49/00; C07C49/04; C07C49/17; C07C49/173
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) | 1940-07-05 | 1941-01-04 | 1941-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-05 | 1945-01-04 | 1945-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-05 | 1949-01-04 | 1949-07-06 | $7700.00 | Window Closed / Lapsed |