US3415529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated ski having multiple core elements with individual glass fiber wrappings
Assignee: Georg Fritzmeier GmbH and Co KG
•
Filing: 1966-11-18
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Granted: 1968-12-10
•
Expires: 1986-11-18
Abstract
No abstract record available.
Inventors
- 👤 Grill Fritz
- 👤 Holmer Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:27
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE625169C
Cited
US2377504A
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FR985174A
Cited
US2694580A
Cited
FR1352570A
Cited
FR1337839A
Cited
FR1351207A
Cited
US3355183A
Cited
US3322435A
Cited
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 |