US2837614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protectors for electric circuits
Assignee: McGraw Edison Co
•
Filing: 1953-10-19
•
Granted: 1958-06-03
•
Expires: 1973-10-19
Abstract
No abstract record available.
Inventors
- 👤 Aloysius J Fister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:48
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/044; H01H85/045; H01H85/0456; H01H85/0013; H01H85/0021; H01H85/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1140953A
Cited
US1278893A
Cited
US1400660A
Cited
US1604477A
Cited
US1936803A
Cited
US1953011A
Cited
FR809420A
Cited
US2209823A
Cited
GB514278A
Cited
US2195147A
Cited
US2251409A
Cited
GB563600A
Cited
US2492006A
Cited
US2665348A
Cited
US2653203A
Cited
US2683200A
Cited
US2670418A
Cited
US2681398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |