US2759919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gorin
Assignee: —
•
Filing: —
•
Granted: 1956-08-21
•
Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:19
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/152
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
CRYSTALLINE COMPLEX OF UREA AND A STRAIGHT CHAIN ALKYL MONOHALIDE CONSISTING OF CARBON, HYDROGEN AND HALOGEN, AND HAVING THE HALOGEN ATOM THEREOF JOINED TO OTHER THAN A TERMINAL CARBON ATOM OF THE CHAIN, SAID MONOHALIDE BEING SELECTED FROM THE GROUP CONSISTING OF A FLUORIDE HAVING AT LEAST SEVEN CARBON ATOMS IN THE
Claim 2
Dependent Claim
52 words
CRYSTALLINE COMPLEX OF UREA AND A STRAIGHT CHAIN ALKYL MONOHALIDE CONSISTING OF CARBON, HYDROGEN AND HALOGEN, AND HAVING THE HALOGEN ATOM THEREOF JOINED TO OTHER THAN A TERMINAL CARBON ATOM OF THE CHAIN, SAID MONOHALIDE BEING SELECTED FROM THE GROUP CONSISTING OF A FLUORIDE HAVING AT LEAST SEVEN CARBON ATOMS IN THE
References Cited (Backward Citations)
US2569984A
Cited
US2642422A
Cited
US2681333A
Cited
US2520715A
Cited
US2702289A
Cited
US2557257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |