US2283567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding torch
Assignee: Individual
•
Filing: 1940-06-25
•
Granted: 1942-05-19
•
Expires: 1960-06-25
Abstract
No abstract record available.
Inventors
- 👤 Nealey James Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:40
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/62; B; B01; B01F; B01F25/00; B01F25/40; B01F25/45; B01F25/452; B01F25/4521; B01F25/45211; F23D14/38; F23D14/40; F23D14/72; F23D14/82
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) | 1945-05-18 | 1945-11-17 | 1946-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-18 | 1949-11-17 | 1950-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-18 | 1953-11-17 | 1954-05-19 | $7700.00 | Window Closed / Lapsed |