Patent US3436301A successfully refreshed from Google Patents.
US3436301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolyester composition
Assignee: EIDP Inc
•
Filing: 1964-02-27
•
Granted: 1969-04-01
•
Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 John J Mchale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:20
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B32; B32B; B32B27/00; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/181; C09; C09J; C09J167/00; C09J167/02; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31924; Y10T428/31928; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/3911; Y10T442/60; Y10T442/674; Y10T442/679
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2323563A
Cited
US2765251A
Cited
US2876725A
Cited
US3090772A
Cited
US3235520A
Cited
US3136677A
Cited
US3232813A
Cited
US3367629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |