US2525922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary-reciprocating motion converter
Assignee: Blackhawk Manufacturing Co
•
Filing: 1945-05-05
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Granted: 1950-10-17
•
Expires: 1965-05-05
Abstract
No abstract record available.
Inventors
- 👤 Mandl Siegmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:14
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/08; F16H25/12; B; B25; B25D; B25D11/00; B25D11/06; B25D11/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32975; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US741519A
Cited
US766970A
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US1239310A
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US1351753A
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US1553456A
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US1902662A
Cited
US2121831A
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US2284480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |