US2536958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush knob
Assignee: John Oster Manufacturing Co
•
Filing: 1948-10-15
•
Granted: 1951-01-02
•
Expires: 1968-10-15
Abstract
No abstract record available.
Inventors
- 👤 Rudat George
- 👤 Charles B Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:38
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/38; H01R39/41; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49599; Y10T29/49826; Y10T29/49863; Y10T29/49876; Y10T29/49908; Y10T29/49936; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1507840A
Cited
US1801006A
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GB323857A
Cited
US2045293A
Cited
US2032084A
Cited
US2089678A
Cited
US2264998A
Cited
US2313228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |