US3005853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of mercaptan and sulfide derivatives thereof
Assignee: California Research LLC
•
Filing: 1959-06-22
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Granted: 1961-10-24
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Donovan R Wilgus
- 👤 Frank A Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:05
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/008; C07; C07C; C07C323/00; C08; C08F; C08F2/00; C08F2/38; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2462; C10L1/2475; C10L1/2487; C10M; C10M1/00; C10M1/08; C10M2221/00; C10M2221/04; C10M2221/043; C10N; C10N2070/00; C10N2070/02; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |