US2301099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism
Assignee: Midland Steel Products Co
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Filing: 1940-07-11
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Granted: 1942-11-03
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Expires: 1960-07-11
Abstract
No abstract record available.
Inventors
- 👤 George W Upp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:07
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D48/0206; F15; F15B; F15B13/00; F15B13/02; F16D2048/0221; F16D2048/0257; F16D2048/0278; F16D2048/0284; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/87169; Y10T137/87193; Y10T137/87917; Y10T137/88054; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/20; Y10T74/20012
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) | 1945-11-02 | 1946-05-04 | 1946-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-02 | 1950-05-04 | 1950-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-02 | 1954-05-04 | 1954-11-03 | $7700.00 | Window Closed / Lapsed |