US2435448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing tubular frame structures
Assignee: Murray Ohio Manufacturing Co
•
Filing: 1943-12-06
•
Granted: 1948-02-03
•
Expires: 1963-12-06
Abstract
No abstract record available.
Inventors
- 👤 Herman L Kraeft
- 👤 Leonard J Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:41
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |