US1830067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas torch
Assignee: Individual
•
Filing: 1929-08-23
•
Granted: 1931-11-03
•
Expires: 1949-08-23
Abstract
No abstract record available.
Inventors
- 👤 James H Mellers
- 👤 Jr John R Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:04
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/465; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823; Y10T137/86831; Y10T137/87153; Y10T137/87265; Y10T137/87281; Y10T137/87571; Y10T137/87676; Y10T137/87684
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) | 1934-11-02 | 1935-05-04 | 1935-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-11-02 | 1939-05-04 | 1939-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-11-02 | 1943-05-04 | 1943-11-03 | $7700.00 | Window Closed / Lapsed |