US2200087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact member
Assignee: Westinghouse Electric Corp
•
Filing: 1938-09-14
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Granted: 1940-05-07
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Expires: 1958-09-14
Abstract
No abstract record available.
Inventors
- 👤 James M Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:42
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/04; H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12174
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) | 1943-05-07 | 1943-11-06 | 1944-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-07 | 1947-11-06 | 1948-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-07 | 1951-11-06 | 1952-05-07 | $7700.00 | Window Closed / Lapsed |