US3413832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire drawing method
Assignee: National Standard Co
•
Filing: 1965-07-27
•
Granted: 1968-12-03
•
Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Ernest U Lang
- 👤 William F Hope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:14
CPC Classifications
B; B21; B21C; B21C9/00; B21C3/00; B21C3/02; B21C3/12; B21C3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US602416A
Cited
US1995528A
Cited
US2135659A
Cited
US2462480A
Cited
US2867949A
Cited
US3080962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |