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US2338378A Expired / Lapsed US ⏱️ 0.0 years remaining

Black-out window shade

Assignee: WESTERN SHADE CLOTH Co
•
Filing: 1942-06-05
•
Granted: 1944-01-04
•
Expires: 1962-06-05
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Abstract

No abstract record available.

Inventors

  • 👤 Hubert L Hardy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 13:14
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/80; H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/20

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) 1947-01-03 1947-07-05 1948-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-01-03 1951-07-05 1952-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-01-03 1955-07-05 1956-01-04 $7700.00 Window Closed / Lapsed

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