US3105837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2, 2'-alkylenebisbenzimidazoles
Assignee: Pharmacia and Upjohn Co
•
Filing: 1961-10-20
•
Granted: 1963-10-01
•
Expires: 1981-10-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Ursprung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:15
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/20; C07D235/06; C07D235/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) THE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2488289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |