US2196433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: Oak Manufacturing Co
•
Filing: 1938-09-23
•
Granted: 1940-04-09
•
Expires: 1958-09-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:13
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H15/00; H01H15/02; H01H15/06; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/12; H03J5/24; H03J5/26; H03J5/32; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-04-09 | 1943-10-09 | 1944-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-09 | 1947-10-09 | 1948-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-09 | 1951-10-09 | 1952-04-09 | $7700.00 | Window Closed / Lapsed |