US2692318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc chamber for circuit breakers
Assignee: Clark Controller Co
•
Filing: 1951-03-31
•
Granted: 1954-10-19
•
Expires: 1971-03-31
Abstract
No abstract record available.
Inventors
- 👤 Few William
- 👤 Arald B Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:32
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44923
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2511808A
Cited
US2196008A
Cited
US2240007A
Cited
US2332446A
Cited
US2407710A
Cited
US2411893A
Cited
US2411892A
Cited
US2524287A
Cited
US2457360A
Cited
US2487231A
Cited
US2650971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |