US3369099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker having break-away walls
Assignee: Cooper Industries LLC
•
Filing: 1967-04-14
•
Granted: 1968-02-13
•
Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Norden
- 👤 Herman H Kobryner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:43
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/48; H01H73/50; H01H71/00; H01H71/02; H01H71/0207; H01H71/0221
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2225791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |