US2655851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way plow construction
Assignee: Individual
•
Filing: 1949-08-08
•
Granted: 1953-10-20
•
Expires: 1969-08-08
Abstract
No abstract record available.
Inventors
- 👤 Harry A Pursche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:07
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/24; A01B3/28; A01B3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB265607A
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FR660208A
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FR36190E
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FR708918A
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US1915844A
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US1908095A
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US2136911A
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US2195631A
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US2188412A
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US2304383A
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US2327927A
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US2316397A
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US2426548A
Cited
GB603461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |