US3415172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski mat
Assignee: SKI MOR Inc
•
Filing: 1965-12-03
•
Granted: 1968-12-10
•
Expires: 1985-12-03
Abstract
No abstract record available.
Inventors
- 👤 John P Horton
- 👤 Robert E Sollmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:18
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/10; E01C13/12
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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |