US2885534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc welding apparatus
Assignee: US Philips Corp
•
Filing: 1955-08-01
•
Granted: 1959-05-05
•
Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 Berg Jozef Ter
- 👤 Larigaldie Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:06
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K37/00; B23K37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE645938C
Cited
US1298590A
Cited
US1886524A
Cited
US2001179A
Cited
US2330503A
Cited
US2526423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |