Patent US2249122A successfully refreshed from Google Patents.
US2249122A
Expired / Lapsed
US
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Multiple push button switch construction
Assignee: Edwards and Co Inc
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Filing: 1939-07-15
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Granted: 1941-07-15
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Expires: 1959-07-15
Abstract
No abstract record available.
Inventors
- 👤 Robert S Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/26; H02B1/46; H02B1/48; H01; H01H; H01H13/00; H01H13/70
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) | 1944-07-14 | 1945-01-13 | 1945-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-14 | 1949-01-13 | 1949-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-14 | 1953-01-13 | 1953-07-15 | $7700.00 | Window Closed / Lapsed |