US2662073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gluconamides
Assignee: Individual
•
Filing: 1951-04-27
•
Granted: 1953-12-08
•
Expires: 1971-04-27
Abstract
No abstract record available.
Inventors
- 👤 Charles L Mehltretter
- 👤 John C Rankin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:49
CPC Classifications
C; C07; C07C; C07C233/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
4 words
THE COMPOUND, N-ROSIN GLUCONAMIDE.
Claim 4
Dependent Claim
4 words
THE COMPOUND, N-ROSIN GLUCONAMIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |