US2867713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas shielded arc cutting
Assignee: Airco Inc
•
Filing: 1954-11-15
•
Granted: 1959-01-06
•
Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Muller Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:39
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0211; B23K35/0216; B23K9/00; B23K9/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1294250A
Cited
US1501266A
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US1884712A
Cited
US2315358A
Cited
GB546961A
Cited
US2544711A
Cited
US2694764A
Cited
US2694763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |