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US3033016A Expired / Lapsed US ⏱️ 0.0 years remaining

Key for a plunger type lock

Assignee: EJ Brooks Co
•
Filing: 1960-06-01
•
Granted: 1962-05-08
•
Expires: 1980-06-01
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Abstract

No abstract record available.

Inventors

  • 👤 Sigurd M Moberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:57
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/36; E05B67/365; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/439; Y10T70/443; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7802

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US878457A Cited
GB104725A Cited
US1470421A Cited
US1923025A Cited
US2092572A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-07 1965-11-06 1966-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-07 1969-11-06 1970-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-07 1973-11-06 1974-05-08 $7700.00 Window Closed / Lapsed

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