US2286716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for sub stabilizers
Assignee: Individual
•
Filing: 1941-03-05
•
Granted: 1942-06-16
•
Expires: 1961-03-05
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:29
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/10; E21B17/12; B; B29; B29C; B29C33/00; B29C33/0038; B29C33/20; B29C70/00; B29C70/68; B29C70/74; E21B17/1042; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/28; B29L2031/283
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) | 1945-06-15 | 1945-12-15 | 1946-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-15 | 1949-12-15 | 1950-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-15 | 1953-12-15 | 1954-06-16 | $7700.00 | Window Closed / Lapsed |