US2574933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ornamental wall switch
Assignee: Individual
•
Filing: 1948-04-24
•
Granted: 1951-11-13
•
Expires: 1968-04-24
Abstract
No abstract record available.
Inventors
- 👤 Axel E Ogren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12; H01H23/14; H01H23/148; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US686194A
Cited
US1157310A
Cited
US1132470A
Cited
US1058051A
Cited
US1232728A
Cited
DE384918C
Cited
US2045045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |