Patent US2524439A successfully refreshed from Google Patents.
US2524439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating wire products
Assignee: JOHN A ROEBLING'S SONS Co
•
Filing: 1946-12-31
•
Granted: 1950-10-03
•
Expires: 1966-12-31
Abstract
No abstract record available.
Inventors
- 👤 Green Richard Duane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:24
CPC Classifications
D; D06; D06C; D06C29/00; B; B21; B21F; B21F9/00; B21F9/005; B21F9/007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US286258A
Cited
US1692505A
Cited
US1955540A
Cited
US2087606A
Cited
US2372627A
Cited
US2389878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |