US2480394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punching pipe for converter tuyeres
Assignee: Glencore Canada Corp
•
Filing: 1947-02-07
•
Granted: 1949-08-30
•
Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
- 👤 Cavers Thomas Willard
- 👤 Franklin John Alfred Cook
- 👤 Mott Reginald Clare
- 👤 Taylor Hugh Fredrick Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:37
CPC Classifications
F; F27; F27D; F27D25/00; F27D25/001; F27D25/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |