Patent US2634625A successfully refreshed from Google Patents.
US2634625A
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Safety treadle
Assignee: Utica Drop Forge and Tool Corp
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Filing: 1949-04-05
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Granted: 1953-04-14
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Expires: 1969-04-05
Abstract
No abstract record available.
Inventors
- 👤 Edward M Mahardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:09
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/001; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063; Y10T74/20636; Y10T74/20672; Y10T74/20708; Y10T74/2093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US579019A
Cited
US1316727A
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GB112485A
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US1375760A
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US1509676A
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US1507247A
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US1709842A
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US1814880A
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US2322585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |