US3522340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding process
Assignee: JOSEPH F SHOE CO Inc
•
Filing: 1969-09-17
•
Granted: 1970-07-28
•
Expires: 1989-09-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Corcoran
- 👤 Robert F Filippini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:11
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; B29D35/061; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/2701; B29C45/2708
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3178496A
Cited
US3175249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |