US2818290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible ski pole
Assignee: Individual
•
Filing: 1955-09-27
•
Granted: 1957-12-31
•
Expires: 1975-09-27
Abstract
No abstract record available.
Inventors
- 👤 Marino N Harocopo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:26
CPC Classifications
A; A63; A63C; A63C11/00; A63C11/22; A63C11/221; G; G05; G05G; G05G5/00; G05G5/06; G05G2700/00; G05G2700/04; G05G2700/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459
Claims Analysis
Total Claims: 0
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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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |