US2774787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhydrophthalamic acid visceral smooth muscle relaxants
Assignee: Individual
•
Filing: 1953-09-03
•
Granted: 1956-12-18
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Charles F Geschickter
- 👤 Leonard M Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:25
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A NEW COMPOSITION OF MATTER HAVING THE FORMULA
Claim 2
Dependent Claim
8 words
A NEW COMPOSITION OF MATTER HAVING THE FORMULA
References Cited (Backward Citations)
US2072770A
Cited
US2101323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |