US2187485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for finishing welded tubing
Assignee: Individual
•
Filing: 1935-10-09
•
Granted: 1940-01-16
•
Expires: 1955-10-09
Abstract
No abstract record available.
Inventors
- 👤 John B Borgadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:38
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D79/00; B23D79/02; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T409/00; Y10T409/40; Y10T409/402625; Y10T409/404375; Y10T409/40455; Y10T409/4056; Y10T409/4077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-01-15 | 1943-07-17 | 1944-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-15 | 1947-07-17 | 1948-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-15 | 1951-07-17 | 1952-01-16 | $7700.00 | Window Closed / Lapsed |