US3042233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple joint backhoe
Assignee: Koehring Co
•
Filing: 1958-12-15
•
Granted: 1962-07-03
•
Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Marion C Wills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:38
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/425; E02F3/30; E02F3/32; E02F3/38; E02F3/382; E02F3/384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1234304A
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US1550938A
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US2478747A
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US2498000A
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US2754977A
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US2764306A
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US2776766A
Cited
GB755898A
Cited
US2801012A
Cited
US2801013A
Cited
US2870924A
Cited
US2811265A
Cited
US2927706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |