Patent US2819429A successfully refreshed from Google Patents.
US2819429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric protective equipment
Assignee: General Electric Co
•
Filing: 1954-05-24
•
Granted: 1958-01-07
•
Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Wilfred F Skeats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:34
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/003; H02H7/00; H02H7/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2172666A
Cited
US1034584A
Cited
US1024555A
Cited
US1197099A
Cited
US1260649A
Cited
US1212146A
Cited
FR581621A
Cited
US1735820A
Cited
US2323702A
Cited
US2571910A
Cited
US2584710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |