US3305557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allantoin p-aminobenzoic acid complexes
Assignee: INDUSTRIAL NATIONAL BANK OF RHODE ISLAND A NATIONAL BANKING ASSOCIATION
•
Filing: 1965-04-16
•
Granted: 1967-02-21
•
Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 Irwin I Lubowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:00
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
ALLANTOIN P-AMIOBENZOIC ACID.
Claim 2
Dependent Claim
3 words
ALLANTOIN P-AMIOBENZOIC ACID.
References Cited (Backward Citations)
US2761867A
Cited
US3107252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |