US2721084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski pole rings
Assignee: Individual
•
Filing: 1951-02-28
•
Granted: 1955-10-18
•
Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Alexander C H Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:52
CPC Classifications
A; A63; A63C; A63C11/00; A63C11/22; A63C11/24; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455; Y10T403/457
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600046A
Cited
DE636187C
Cited
US1682786A
Cited
CH188910A
Cited
US2148038A
Cited
US2297489A
Cited
US2431120A
Cited
US2562359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |