US3005801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of polymerizing
Assignee: H D Justi & Son Inc
•
Filing: 1958-11-21
•
Granted: 1961-10-24
•
Expires: 1978-11-21
Abstract
No abstract record available.
Inventors
- 👤 Wallace A Erickson
- 👤 John A Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/10; C08F22/12; C08F22/14; C08F2/00; C08F2/12; C08F2/16; C08F2/18; C08F20/00; C08F20/02; C08F20/10; C08F20/12; Y; Y10; Y10S; Y10S526/00; Y10S526/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A METHOD OF PRODUCING A UNIFORM LOW MOLECULAR WEIGHT SOLID POLYMER OF AN ESTER OF THE FORMULA
Claim 2
Independent Claim
17 words
A METHOD OF PRODUCING A UNIFORM LOW MOLECULAR WEIGHT SOLID POLYMER OF AN ESTER OF THE FORMULA
References Cited (Backward Citations)
US2473929A
Cited
US2875185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |