US2659246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem drive mechanism
Assignee: Allis Chalmers Corp
•
Filing: 1949-03-25
•
Granted: 1953-11-17
•
Expires: 1969-03-25
Abstract
No abstract record available.
Inventors
- 👤 Emil F Norelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:29
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1643476A
Cited
US1897934A
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GB271718A
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GB282017A
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US1817028A
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GB295820A
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US1850568A
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US1891642A
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US2027218A
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US2047050A
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US2120594A
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US2126960A
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US2306856A
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US2309441A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |