US2965614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Homopolymers of organic isocyanates
Assignee: EIDP Inc
•
Filing: 1956-10-26
•
Granted: 1960-12-20
•
Expires: 1976-10-26
Abstract
No abstract record available.
Inventors
- 👤 Victor E Shashoua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:35
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/02; Y; Y10; Y10S; Y10S528/00; Y10S528/903; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A LINEAR POLYMER CONSISTING SOLELY OF REPEATING UNITS HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
12 words
A LINEAR POLYMER CONSISTING SOLELY OF REPEATING UNITS HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2334476A
Cited
US2468713A
Cited
US2597025A
Cited
US2810711A
Cited
US2768895A
Cited
US2853473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |