Patent US2454646A successfully refreshed from Google Patents.
US2454646A
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Electric range switch
Assignee: Arrow Hart and Hegeman Electric Co
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Filing: 1944-04-29
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Granted: 1948-11-23
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Expires: 1964-04-29
Abstract
No abstract record available.
Inventors
- 👤 Frederic P Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:25
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; B; B29; B29B; B29B9/00; C08; C08B; C08B3/00; C08B3/22; C08B3/26; C08B3/28; H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/63; H01H23/00; H01H23/02; H01H23/04; H01H9/00; H01H9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |