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US3049861A Expired / Lapsed US ⏱️ 0.0 years remaining

Housing for battery driven clock

Assignee: Hamilton Watch Co
•
Filing: 1958-07-17
•
Granted: 1962-08-21
•
Expires: 1978-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 Kaj H Jensen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 23:23
CPC Classifications
G; G04; G04C; G04C10/00; H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1416847A Cited
CH20717A Cited
US1009880A Cited
US1487293A Cited
US1499783A Cited
US2089280A Cited
US2473291A Cited
US2439154A Cited
CH309636A Cited
US2922276A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-20 1966-02-19 1966-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-20 1970-02-19 1970-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-20 1974-02-19 1974-08-21 $7700.00 Window Closed / Lapsed

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