US2543214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure operated switch for fuel tanks
Assignee: Individual
•
Filing: 1947-08-21
•
Granted: 1951-02-27
•
Expires: 1967-08-21
Abstract
No abstract record available.
Inventors
- 👤 Leslie K Wildberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:13
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/05; B60K15/0406; B60K2015/0432; B60K2015/0445; B60K2015/0515; B60K2015/0538; B60K2015/0561; B60K2015/0569; E; E05; E05B; E05B47/00; E05B47/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/1043; Y10T292/1075; Y10T292/1082; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5544; Y10T70/5549; Y10T70/5558
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2019393A
Cited
US2149695A
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US2125012A
Cited
US2081717A
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US2102464A
Cited
US2109137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |