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US3083440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making notched agricultural disks
Assignee: International Motors LLC
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Filing: 1959-11-20
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Granted: 1963-04-02
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Expires: 1979-11-20
Abstract
No abstract record available.
Inventors
- 👤 Fred W Barbknecht
- 👤 Edward J Gully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:39
CPC Classifications
B; B21; B21J; B21J19/00; Y; Y10; Y10T; Y10T29/00; Y10T29/27; Y10T408/00; Y10T408/39; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US308842A
Cited
US1472960A
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US2236944A
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US2468562A
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US2547789A
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US2533756A
Cited
US2705448A
Cited
US2805467A
Cited
FR1174641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |