Patent US3004290A successfully refreshed from Google Patents.
US3004290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding plastic materials
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1956-04-30
•
Granted: 1961-10-17
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:02
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/12; B29C45/17; B29C45/26; B29C45/32; B29C2045/328; Y; Y10; Y10S; Y10S100/00; Y10S100/911; Y10S425/00; Y10S425/028
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |