Patent US2090338A successfully refreshed from Google Patents.
US2090338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making screw blanks
Assignee: AMERICAN SCREW CO
•
Filing: 1936-06-16
•
Granted: 1937-08-17
•
Expires: 1956-06-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Tomalis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:16
CPC Classifications
B; B21; B21K; B21K27/00; B21K27/02; B21K1/00; B21K1/44; B21K1/46
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) | 1940-08-16 | 1941-02-15 | 1941-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-16 | 1945-02-15 | 1945-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-16 | 1949-02-15 | 1949-08-17 | $7700.00 | Window Closed / Lapsed |