Patent US2610187A successfully refreshed from Google Patents.
US2610187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oroshnik
Assignee: —
•
Filing: —
•
Granted: 1952-09-09
•
Expires: 1969-09-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:40
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND HAVING THE STRUCTURAL FORMULA
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) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |