Patent US2858755A successfully refreshed from Google Patents.
US2858755A
Expired / Lapsed
US
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Mobile implement for flame treating soil
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1955-02-15
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Granted: 1958-11-04
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Expires: 1975-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:26
CPC Classifications
A; A01; A01G; A01G11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US366927A
Cited
US627333A
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US1802211A
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GB209362A
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US1777391A
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US1930015A
Cited
US1906127A
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US2781592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |