US3055996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalclad switchgear
Assignee: S&C Electric Co
•
Filing: 1959-10-12
•
Granted: 1962-09-25
•
Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Emmett R Beebe
- 👤 Blokland Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:13
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/26; H02B1/30; H02B1/38; H01; H01H; H01H33/00; H01H33/02; H01H33/46; H01H33/48; H02B1/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1361684A
Cited
US1399488A
Cited
US1122026A
Cited
US1094773A
Cited
US1192397A
Cited
US1486960A
Cited
US2020913A
Cited
US2060903A
Cited
US2595102A
Cited
US2759054A
Cited
US2851548A
Cited
US2946865A
Cited
US2989603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |