US2522700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protector unit construction
Assignee: Cook Electric Co
•
Filing: 1947-11-15
•
Granted: 1950-09-19
•
Expires: 1967-11-15
Abstract
No abstract record available.
Inventors
- 👤 John S Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:38
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/30; H04; H04Q; H04Q1/00; H04Q1/02; H04Q1/023; H04Q1/06; H04Q1/11; H04Q1/116
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |