Patent US3045764A successfully refreshed from Google Patents.
US3045764A
Expired / Lapsed
US
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Close cutting cultivator
Assignee: Individual
•
Filing: 1958-10-03
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Granted: 1962-07-24
•
Expires: 1978-10-03
Abstract
No abstract record available.
Inventors
- 👤 Warren B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:01
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/20; A01B39/22; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US467415A
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US597644A
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US852295A
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US1051012A
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US1188184A
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US1205967A
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US1700117A
Cited
FR736499A
Cited
FR746735A
Cited
FR754753A
Cited
US2558154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |