Patent US2905719A successfully refreshed from Google Patents.
US2905719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cxhzo
Assignee: —
•
Filing: —
•
Granted: 1959-09-22
•
Expires: 1976-09-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:36
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/337; C08G65/331; C08G65/3311; C08G65/3312; C08G65/334; C08G65/3342; C11; C11D; C11D1/00; C11D1/66; C11D1/72; C11D1/721; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A COMPOSITION OF MATTER HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
A COMPOSITION OF MATTER HAVING THE FORMULA
References Cited (Backward Citations)
US2205021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |