Patent US3414252A successfully refreshed from Google Patents.
US3414252A
Expired / Lapsed
US
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Farm implement having elastomer mounting
Assignee: KRAUSE CORP Inc
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Filing: 1966-05-03
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Granted: 1968-12-03
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Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Frager
- 👤 Bill J Pfenninger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:26
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/02; A01B35/10; A01B35/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US242111A
Cited
US1735982A
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US1871921A
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US2580975A
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US2724586A
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US2906353A
Cited
US2969656A
Cited
FR77148E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |