US1745115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting torch
Assignee: Individual
•
Filing: 1928-06-07
•
Granted: 1930-01-28
•
Expires: 1948-06-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Ost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:06
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/52; F23D14/54; Y; Y10; Y10S; Y10S266/00; Y10S266/904
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) | 1933-01-27 | 1933-07-29 | 1934-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-27 | 1937-07-29 | 1938-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-27 | 1941-07-29 | 1942-01-28 | $7700.00 | Window Closed / Lapsed |