Patent US2579798A successfully refreshed from Google Patents.
US2579798A
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Operating mechanism
Assignee: Westinghouse Electric Corp
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Filing: 1945-04-30
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Granted: 1951-12-25
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Expires: 1965-04-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Crabbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:45
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/04; H01H3/06; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/59; Y10T403/598; Y10T403/599; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/569; Y10T70/573; Y10T70/5735; Y10T70/5739; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20624; Y10T74/20636; Y10T74/20672; Y10T74/20684; Y10T74/20696; Y10T74/20702
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |