US3436090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski pole
Assignee: Individual
•
Filing: 1966-08-16
•
Granted: 1969-04-01
•
Expires: 1986-08-16
Abstract
No abstract record available.
Inventors
- 👤 Robert B Lange
- 👤 Roderick Hebron
- 👤 David Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:49
CPC Classifications
A; A63; A63C; A63C11/00; A63C11/22; A63C11/222; A63C11/2224; Y; Y10; Y10S; Y10S16/00; Y10S16/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH195361A
Cited
AT178317B
Cited
US3085814A
Cited
GB919589A
Cited
US3179435A
Cited
US3265401A
Cited
US3290049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |