Patent US3204974A successfully refreshed from Google Patents.
US3204974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow tapered ski pole terminating in an integral point
Assignee: Individual
•
Filing: 1963-04-04
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Granted: 1965-09-07
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Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert J Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:07
CPC Classifications
A; A63; A63C; A63C11/00; A63C11/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
IN A SKI POLE, AN ELONGATED HOLLOW STEEL SHAFT HAVING A GRADUAL INWARD TAPER EXTENDING OVER THE MAJOR PORTION OF THE SHAFT AND TERMINATING IN AN INTEGRAL POINT AT ONE END, THE WALL THICKNESS OF THE SHAFT BEING LARGER AS THE DIAMETER OF THE SHAFT IS REDUCED ALONG THE TAPER
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |