US2356172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salts of mercaptans
Assignee: Goodrich Corp
•
Filing: 1941-12-30
•
Granted: 1944-08-22
•
Expires: 1961-12-30
Abstract
No abstract record available.
Inventors
- 👤 Roger A Mathes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:10
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D215/00; C07D215/02; C07D215/16; C07D215/36; C07D263/30; C07D263/34; C07D263/46; C07D277/00; C07D277/02; C07D277/08; C07D277/12; C07D277/16; C07D277/20; C07D277/32; C07D277/36
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) | 1947-08-22 | 1948-02-21 | 1948-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-22 | 1952-02-21 | 1952-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-22 | 1956-02-21 | 1956-08-22 | $7700.00 | Window Closed / Lapsed |