US3410848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(beta-halo)-vinyl-3 alkylazolium compounds
Assignee: GAF Corp
•
Filing: 1965-07-13
•
Granted: 1968-11-12
•
Expires: 1985-07-13
Abstract
No abstract record available.
Inventors
- 👤 Emil B Rauch
- 👤 John A Welsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:15
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/56; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING A STRUCTURE
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING A STRUCTURE
References Cited (Backward Citations)
US2231659A
Cited
US3044875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |