US3004068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclobutenes containing two substituted methyl substituents
Assignee: EIDP Inc
•
Filing: 1956-11-19
•
Granted: 1961-10-10
•
Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Anderson John Lynde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:14
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A CYCLOBUTENE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
A CYCLOBUTENE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2601075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |