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US1359073A Expired / Lapsed US ⏱️ 0.0 years remaining

Respirator

Assignee: JULIUS KING OPTICAL CO
•
Filing: 1916-08-07
•
Granted: 1920-11-16
•
Expires: 1936-08-07
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick W King
  • 👤 Walter G King

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 01:55
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/02; A62B18/025

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) 1923-11-16 1924-05-17 1924-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-11-16 1928-05-17 1928-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-11-16 1932-05-17 1932-11-16 $7700.00 Window Closed / Lapsed

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