US2560058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube and rod production
Assignee: Head Wrightson and Co Ltd
•
Filing: 1946-01-29
•
Granted: 1951-07-10
•
Expires: 1966-01-29
Abstract
No abstract record available.
Inventors
- 👤 Wrightson Thomas Garmondsway
- 👤 Lake Norman Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:32
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/16; B21C1/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1932266A
Cited
US1986691A
Cited
US2071208A
Cited
US2331953A
Cited
US2301674A
Cited
US2308120A
Cited
US2335939A
Cited
US2371090A
Cited
US2395290A
Cited
US2472231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |