US2256769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for molding plastic objects
Assignee: IMP MOLDED PRODUCTS CORP
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Filing: 1938-10-10
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Granted: 1941-09-23
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Expires: 1958-10-10
Abstract
No abstract record available.
Inventors
- 👤 Leclare H Amrine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:22
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/18; B29C33/00; B29C33/12; B29C33/123; B29C70/00; B29C70/68; B29C70/72; B29C45/00; B29C45/14; B29C45/14065; B29C2045/14122; B29C2045/14147; B29L; B29L2031/00; B29L2031/46; B29L2031/463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-09-22 | 1945-03-24 | 1945-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-22 | 1949-03-24 | 1949-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-22 | 1953-03-24 | 1953-09-23 | $7700.00 | Window Closed / Lapsed |