Patent US3616631A successfully refreshed from Google Patents.
US3616631A
Expired / Lapsed
US
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Snap-on tooth for agricultural equipment
Assignee: Imperial Oil Ltd
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Filing: 1970-01-12
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Granted: 1971-11-02
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Expires: 1990-01-12
Abstract
Abstract A SNAP-ON TOOTH FOR AN AGRICULTURAL IMPLEMENT WHEREIN THE TOOTH INCLUDES A MOUNTING BASE AND A TINE EXTENDING FROM THE BASE. THE BASE CLAMPS TO A TOOTH SUPPORTING BAR IN A SNAP-ON MANNER. THE HOOKS OR OTHER CLAMPING ELEMENTS OF THE BASE ARE RESILIENTLY YIELDABLE TO PERMIT SNAP-ON ATTACHMENT AT ANY LONGITUDINAL LOCATION ALONG THE BAR.
Inventors
- 👤 Henry A Quam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:45
CPC Classifications
A; A01; A01D; A01D7/00; A01D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |