US4422259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elliptical shaped streamlined fishing rod
Assignee: Shimano Inc
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Filing: 1981-04-07
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Granted: 1983-12-27
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Expires: 2001-04-07
Abstract
Abstract A fishing rod comprising a first rod having a grip and tapering toward the fore end and a second rod having a tip and a connecting portion connected to the fore end of the first rod, the first rod having an ellipse-like cross sectional shape, the tip at the second rod having a round-like cross sectional shape, the connecting portion changing in cross section from an ellipse-like shape to a round-like shape. A third rod section with an elliptical cross section may be added between the first and second rod sections.
Inventors
- 👤 Keizo Shimano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:29
CPC Classifications
A; A01; A01K; A01K87/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
139 words
A fishing rod comprising first, second and third rods, said first rod being provided with a grip and tapering toward a fore end, said third rod interconnecting said first and second rods, said second rod being provided with a tip and a connection portion connected to the fore end of said third rod and tapering toward said tip, said first and third rods each having an ellipse-like cross-sectional shape which includes a major axis and a minor axis, a ratio of the major axis to the minor axis of said third rod being larger than that of said first rod; said tip at said second rod having a round-like cross-sectional shape; and said connecting portion having a cross-sectional shape which changes in cross section from an ellipse-like shape at a portion adjacent said third rod to a round-like shape.
Claim 2
Dependent Claim
139 words
A fishing rod comprising first, second and third rods, said first rod being provided with a grip and tapering toward a fore end, said third rod interconnecting said first and second rods, said second rod being provided with a tip and a connection portion connected to the fore end of said third rod and tapering toward said tip, said first and third rods each having an ellipse-like cross-sectional shape which includes a major axis and a minor axis, a ratio of the major axis to the minor axis of said third rod being larger than that of said first rod; said tip at said second rod having a round-like cross-sectional shape; and said connecting portion having a cross-sectional shape which changes in cross section from an ellipse-like shape at a portion adjacent said third rod to a round-like shape.
Claim 3
Dependent Claim
63 words
A fishing rod according to claim 1, wherein a ratio of the major axis to the minor axis at the elliptic cross section of said first rod is in the range of 1.05 through 1.2:1, and a ratio of the major axis to the minor axis of the elliptic cross section of said third rod is in the range of 1.05 through 1.5:1.
Claim 4
Dependent Claim
51 words
A fishing rod according to claim 2, wherein a ratio of the major axis to the minor axis at the elliptic cross section of said first rod is 1.1:1, and a ratio of the major axis to the minor axis at the elliptic cross section of said third rod is 1.3:1.
References Cited (Backward Citations)
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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) | 1986-12-26 | 1987-06-27 | 1987-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-26 | 1991-06-27 | 1991-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-26 | 1995-06-27 | 1995-12-27 | $7700.00 | Window Closed / Lapsed |