US1690419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for heading blanks
Assignee: ECONOMY SCREW Corp
•
Filing: 1924-03-17
•
Granted: 1928-11-06
•
Expires: 1944-03-17
Abstract
No abstract record available.
Inventors
- 👤 Paul H Mccain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:12
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; B21J; B21J9/00; B21J9/02; B21J9/06
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) | 1931-11-06 | 1932-05-07 | 1932-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-06 | 1936-05-07 | 1936-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-06 | 1940-05-07 | 1940-11-06 | $7700.00 | Window Closed / Lapsed |