Patent US2416742A successfully refreshed from Google Patents.
US2416742A
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Harrow disk
Assignee: ThyssenKrupp Budd Co
•
Filing: 1943-01-09
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Granted: 1947-03-04
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Expires: 1963-01-09
Abstract
No abstract record available.
Inventors
- 👤 Warren H Farr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:27
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/06; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US506671A
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GB469383A
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US2254307A
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US2320573A
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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) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |