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US2777267A
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US
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Stalk and root puller and shredder
Assignee: Thompson Chemical Co
•
Filing: 1953-12-07
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Granted: 1957-01-15
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Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Ernest S Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:47
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/8355; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1524118A
Cited
US2188522A
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US2429492A
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US2530466A
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US2544023A
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US2648942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |