US2437633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric welding ground
Assignee: Individual
•
Filing: 1943-11-12
•
Granted: 1948-03-09
•
Expires: 1963-11-12
Abstract
No abstract record available.
Inventors
- 👤 Oliver R Abram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:26
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11; H01R11/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1249430A
Cited
US1292296A
Cited
US2170287A
Cited
US2312083A
Cited
US2287112A
Cited
US2345630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |