US3183193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table ii
Assignee: —
•
Filing: —
•
Granted: 1965-05-11
•
Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:02
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/67; C09K11/68; C01; C01G; C01G41/00; C01G41/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A COMPOSITION OF MATTER HAVING THE EMPIRICAL FORMULA
Claim 2
Dependent Claim
8 words
A COMPOSITION OF MATTER HAVING THE EMPIRICAL FORMULA
References Cited (Backward Citations)
US2929922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |