US2346102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated mercaptan
Assignee: Shell Development Co
•
Filing: 1941-04-29
•
Granted: 1944-04-04
•
Expires: 1961-04-29
Abstract
No abstract record available.
Inventors
- 👤 Simo Martin De
- 👤 John J O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:31
CPC Classifications
C; C07; C07C; C07C321/00; C07C321/02; C07C321/08; C07C323/00; C07C323/10; C07C323/17; C07C2601/00; C07C2601/12; C07C2601/14
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) | 1947-04-04 | 1947-10-04 | 1948-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-04 | 1951-10-04 | 1952-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-04 | 1955-10-04 | 1956-04-04 | $7700.00 | Window Closed / Lapsed |