US2877251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aliphatic and aromatic phosphorus-mercury compounds and method of preparing same
Assignee: Individual
•
Filing: 1954-06-08
•
Granted: 1959-03-10
•
Expires: 1974-06-08
Abstract
No abstract record available.
Inventors
- 👤 Robert B Fox
- 👤 David L Venezky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:12
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A PHOSPHINYLMERCURIC SALT OF THE GENEAL FORMULA:
Claim 2
Dependent Claim
7 words
A PHOSPHINYLMERCURIC SALT OF THE GENEAL 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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |