US3496596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding of foamed articles
Assignee: GFC FOAM Corp A CORP OF DE
•
Filing: 1968-01-05
•
Granted: 1970-02-24
•
Expires: 1988-01-05
Abstract
No abstract record available.
Inventors
- 👤 Fred Buff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:45
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/322; B29C44/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2141405A
Cited
US2668987A
Cited
US2898626A
Cited
US3011218A
Cited
US2921346A
Cited
US3020587A
Cited
US3296658A
Cited
US3345685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |