Patent FR389737A successfully refreshed from Google Patents.
Patent US1393822A successfully refreshed from Google Patents.
Patent US2284741A successfully refreshed from Google Patents.
US2284741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for forming parts of joints on
Assignee: —
•
Filing: —
•
Granted: 1942-06-02
•
Expires: 1959-06-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:35
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/02; B28B21/10; B28B21/22; B29; B29C; B29C39/00; B29C39/02; B29C39/10; Y; Y10; Y10S; Y10S264/00; Y10S264/32; Y10S425/00; Y10S425/218
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) | 1945-06-01 | 1945-12-01 | 1946-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-01 | 1949-12-01 | 1950-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-01 | 1953-12-01 | 1954-06-02 | $7700.00 | Window Closed / Lapsed |