US3384531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flattened ultra-microcellular structure and method for making same
Assignee: EIDP Inc
•
Filing: 1963-11-27
•
Granted: 1968-05-21
•
Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Parrish Robert Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
B; B29; B29C; B29C67/00; C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; C08J9/14; C08J9/141; C08J9/143; D; D01; D01D; D01D5/00; D01D5/11; D01D5/12; D01D5/16; D01D5/24; D01D5/247; Y; Y10; Y10S; Y10S264/00; Y10S264/13; Y10S521/00; Y10S521/91; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249975; Y10T428/249978; Y10T428/249979; Y10T428/249981; Y10T428/249982; Y10T428/249987; Y10T428/24999; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2877500A
Cited
US3104192A
Cited
US3003304A
Cited
US2841470A
Cited
US3050432A
Cited
GB911995A
Cited
US3072584A
Cited
US3022541A
Cited
FR1270540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |