Patent US3525532A successfully refreshed from Google Patents.
US3525532A
Expired / Lapsed
US
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Combination ski pole and avalanche probe
Assignee: Individual
•
Filing: 1968-10-21
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Granted: 1970-08-25
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Expires: 1988-10-21
Abstract
No abstract record available.
Inventors
- 👤 Warren Baldsiefen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:30
CPC Classifications
A; A63; A63C; A63C11/00; A63C11/22; A63C11/222
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) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |