US3376237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed polylactam containing surfactant
Assignee: EIDP Inc
•
Filing: 1965-02-25
•
Granted: 1968-04-02
•
Expires: 1985-02-25
Abstract
No abstract record available.
Inventors
- 👤 Mack F Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:05
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0014; C08J9/0028; C08J2377/00; C08J2377/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2629698A
Cited
US2950261A
Cited
US3017391A
Cited
US2926108A
Cited
GB918059A
Cited
US3232892A
Cited
US3322696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |