US3386877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular thermoplastic article having selected open cells and its manufacture
Assignee: Dow Chemical Co
•
Filing: 1964-11-02
•
Granted: 1968-06-04
•
Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard E Skochdopole
- 👤 Urchick Demetrius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:44
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/5627; B29C44/5636; C; C08; C08J; C08J9/00; C08J9/36; C08J9/38; B29C43/00; B29C43/32; B29C43/44; B29C43/46; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S264/00; Y10S264/13; Y10S521/00; Y10S521/918; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249976; Y10T428/249981; Y10T428/31504; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA625060A
Cited
US1045234A
Cited
GB884322A
Cited
US3239585A
Cited
US3240855A
Cited
US3196975A
Cited
US3175025A
Cited
US3300558A
Cited
US3297803A
Cited
US3171820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |