US3708330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing container with foam interior
Assignee: Bridgestone Firestone Inc
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Filing: 1971-01-28
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Granted: 1973-01-02
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Expires: 1991-01-28
Abstract
Abstract A CONTAINER ORE PARTICULARLY A FUEL CELL IS FORMED BY FOAMING AN INTEGUMENT FROM SETTABLE PLASTIC, E.G. POLYURETHANE, OVER OPEN-CELL SKINLESS CELLULAR FOAM WITH ONLY THE BRANCHED SURFACE TERMINATIONS OF THE FOAM EMBEDDED IN THE INTEGUMENT.
Inventors
- 👤 G Harr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:40
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; B65D90/38; B65D90/40; C; C08; C08J; C08J9/00; C08J9/34; F; F17; F17C; F17C11/00; F17C11/007
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |