Patent US2378535A successfully refreshed from Google Patents.
US2378535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monomeric and polymeric esters of vinyl thiols and process for their manufacture
Assignee: EIDP Inc
•
Filing: 1939-04-21
•
Granted: 1945-06-19
•
Expires: 1959-04-21
Abstract
No abstract record available.
Inventors
- 👤 Brubaker Merlin Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:25
CPC Classifications
C; C07; C07C; C07C327/00; C08; C08F; C08F28/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-06-18 | 1948-12-18 | 1949-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-18 | 1952-12-18 | 1953-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-18 | 1956-12-18 | 1957-06-19 | $7700.00 | Window Closed / Lapsed |