US2832881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding torch
Assignee: Individual
•
Filing: 1954-07-01
•
Granted: 1958-04-29
•
Expires: 1974-07-01
Abstract
No abstract record available.
Inventors
- 👤 Edward A Andriola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:20
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291; B23K9/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB394950A
Cited
US2251316A
Cited
US2284648A
Cited
US2468805A
Cited
US2468807A
Cited
US2514060A
Cited
US2555017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |