US2426754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch
Assignee: E R WAGNEN MANUFACTURING Co
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Filing: 1944-02-21
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Granted: 1947-09-02
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Expires: 1964-02-21
Abstract
No abstract record available.
Inventors
- 👤 Berthold R Thiele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:34
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/0025; E05B17/0033; E05B17/0037; E05B65/00; E05B65/52; E05B65/5207; E05B65/5246; E05B65/5269; E05B65/5276; E05B15/00; E05B15/04; E05B2015/0486; E05C; E05C3/00; E05C3/12; E05C3/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0934; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/5062
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) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |