US2530408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dithiocyanates
Assignee: Beazer East Inc
•
Filing: 1945-12-28
•
Granted: 1950-11-21
•
Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Eldon E Stahly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:50
CPC Classifications
C; C07; C07C; C07C331/00; C07C331/02; C07C331/06; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08; C07C2602/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A COMPOSITION OF MATTER COMPRISING A BENZOCYCLOALKENE DITHIOCYANATE.
Claim 2
Dependent Claim
8 words
A COMPOSITION OF MATTER COMPRISING A BENZOCYCLOALKENE DITHIOCYANATE.
References Cited (Backward Citations)
DE404175C
Cited
US1765678A
Cited
US2122781A
Cited
US2169700A
Cited
US2214039A
Cited
US2217613A
Cited
US2239496A
Cited
US2272400A
Cited
US2275606A
Cited
US2390583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |