US2308971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold filling method and apparatus
Assignee: —
•
Filing: —
•
Granted: 1943-01-19
•
Expires: 1960-01-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:07
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/22; B29C39/24; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10S528/00; Y10S528/931; Y10S528/934
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) | 1946-01-18 | 1946-07-20 | 1947-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-18 | 1950-07-20 | 1951-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-18 | 1954-07-20 | 1955-01-19 | $7700.00 | Window Closed / Lapsed |