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US1328109A Expired / Lapsed US ⏱️ 0.0 years remaining

Lock for electric switches

Assignee: Individual
•
Filing: 1916-12-29
•
Granted: 1920-01-13
•
Expires: 1936-12-29
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Abstract

No abstract record available.

Inventors

  • 👤 Robert G Whitlock

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:13
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/28; H01H9/281; H01H9/282; Y; Y10; Y10S; Y10S70/00; Y10S70/58; Y10T; Y10T70/00; Y10T70/30; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5544; Y10T70/5611; Y10T70/5854; Y10T70/5867; Y10T70/5889; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7955; Y10T70/7977; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/2093

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) 1923-01-12 1923-07-14 1924-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-01-12 1927-07-14 1928-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-01-12 1931-07-14 1932-01-13 $7700.00 Window Closed / Lapsed

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