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US1215064A Expired / Lapsed US ⏱️ 0.0 years remaining

Semimetallic fiber sheet.

Assignee: ROYAL EQUIPMENT Co
•
Filing: 1916-07-29
•
Granted: 1917-02-06
•
Expires: 1936-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Louis L Ryan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 11:55
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/24; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; F41H5/0485; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24124; Y10T428/25; Y10T428/256; Y10T428/31504; Y10T428/31652; Y10T428/31656; Y10T428/31678; Y10T428/31707; Y10T428/3171

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1920-02-06 1920-08-07 1921-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-02-06 1924-08-07 1925-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-02-06 1928-08-07 1929-02-06 $7700.00 Window Closed / Lapsed

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