US1950436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerized halogenated hydrocarbons and process of producing same
Assignee: EIDP Inc
•
Filing: 1931-02-28
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Granted: 1934-03-13
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Expires: 1951-02-28
Abstract
No abstract record available.
Inventors
- 👤 Williams Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:46
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F36/14; C08F36/16; Y; Y10; Y10S; Y10S273/00; Y10S273/10; Y10S277/00; Y10S277/935; Y10S277/944; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1386
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-03-12 | 1937-09-11 | 1938-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-12 | 1941-09-11 | 1942-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-12 | 1945-09-11 | 1946-03-13 | $7700.00 | Window Closed / Lapsed |