Patent US3222324A successfully refreshed from Google Patents.
US3222324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of 3-alkenyloxy-1,2-epithiopropane
Assignee: EIDP Inc
•
Filing: 1962-01-29
•
Granted: 1965-12-07
•
Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Brodoway Nicolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:52
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08G75/06; C08G75/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A SULFUR-CURABLE, ELSTOMERIC POLYMER CONSISTING OF A MULITPLICITY OF UNITS OF THE STRUCTURE
Claim 2
Dependent Claim
13 words
A SULFUR-CURABLE, ELSTOMERIC POLYMER CONSISTING OF A MULITPLICITY OF UNITS OF THE STRUCTURE
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |