Patent US3756029A successfully refreshed from Google Patents.
Patent US2595032A successfully refreshed from Google Patents.
US2595032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective relay for transmission systems
Assignee: Individual
•
Filing: 1949-08-10
•
Granted: 1952-04-29
•
Expires: 1969-08-10
Abstract
No abstract record available.
Inventors
- 👤 Roy J Wensley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:14
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1831338A
Cited
US1732977A
Cited
US2208907A
Cited
US2201829A
Cited
US2393983A
Cited
US2426062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |