US2408285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding device for injection or extrusion machines
Assignee: Hydraulic Development Corp Inc
•
Filing: 1943-07-15
•
Granted: 1946-09-24
•
Expires: 1963-07-15
Abstract
No abstract record available.
Inventors
- 👤 Bernard D Ashbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:51
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/18; B29C45/1808; B29C48/00; B29C48/25; B29C48/285; B29C48/286; B29C48/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1949-09-23 | 1950-03-25 | 1950-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-23 | 1954-03-25 | 1954-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-23 | 1958-03-25 | 1958-09-24 | $7700.00 | Window Closed / Lapsed |