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US2550002A Expired / Lapsed US ⏱️ 0.0 years remaining

Laminated ski

Assignee: RTX Corp
•
Filing: 1947-07-29
•
Granted: 1951-04-24
•
Expires: 1967-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Chorney Harry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:54
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31707; Y10T428/31826; Y10T428/31841

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1578415A Cited
DE641053C Cited
US2078910A Cited
FR783899A Cited
CH199209A Cited
US2264535A Cited
US2304718A Cited
US2389641A Cited
US2356809A Cited
US2398890A Cited
US2415881A Cited
US2479342A Cited
US2429897A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-04-23 1954-10-23 1955-04-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-04-23 1958-10-23 1959-04-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-04-23 1962-10-23 1963-04-24 $7700.00 Window Closed / Lapsed

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