US2519190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhalogenated polycyclic hydrocarbons and insecticides thereof
Assignee: Velsicol Corp
•
Filing: 1946-01-26
•
Granted: 1950-08-15
•
Expires: 1966-01-26
Abstract
No abstract record available.
Inventors
- 👤 Hyman Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:31
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/38; Y; Y10; Y10S; Y10S260/00; Y10S260/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A HALOGENATED HYDROCARBON BEING A DERIVATIVE OF 4,5,6,7,8,8-HEXAHO-3A,4,7,7A-TETRAHYDRO4,7-METHANOINDENE CONTAINING FROM ONE TO THREE MORE HALOGEN ATOMS ATTACHED TO CARBON ATOMS IN POSITIONS 1 TO 3 OF SAID DERIVATIVE, NO ONE CARBON ATOM IN POSITIONS ONE TO THREE HAVING MORE THAN ONE HALOGEN ATOM.
Claim 2
Dependent Claim
43 words
A HALOGENATED HYDROCARBON BEING A DERIVATIVE OF 4,5,6,7,8,8-HEXAHO-3A,4,7,7A-TETRAHYDRO4,7-METHANOINDENE CONTAINING FROM ONE TO THREE MORE HALOGEN ATOMS ATTACHED TO CARBON ATOMS IN POSITIONS 1 TO 3 OF SAID DERIVATIVE, NO ONE CARBON ATOM IN POSITIONS ONE TO THREE HAVING MORE THAN ONE HALOGEN ATOM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |