US3368008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing foamable thermoplastic resin composition
Assignee: Individual
•
Filing: 1964-07-06
•
Granted: 1968-02-06
•
Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Azuma Kimikazu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:00
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/3442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2669751A
Cited
US2785455A
Cited
US3067462A
Cited
US3121911A
Cited
US3160688A
Cited
US3287477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |