Patent US2414463A successfully refreshed from Google Patents.
US2414463A
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US
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Electrical contact
Assignee: Metals and Controls Corp
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Filing: 1943-09-10
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Granted: 1947-01-21
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Expires: 1963-09-10
Abstract
No abstract record available.
Inventors
- 👤 Townsend M Gunn
- 👤 Walter J Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:39
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0231; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/929; Y10S428/931; Y10T; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12451; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12986
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) | 1950-01-20 | 1950-07-22 | 1951-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-20 | 1954-07-22 | 1955-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-20 | 1958-07-22 | 1959-01-21 | $7700.00 | Window Closed / Lapsed |