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US3030137A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring-loaded hasp fastenings for boxes, travel bags and the like

Assignee: CW Cheney and Son Ltd
•
Filing: 1959-09-22
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Granted: 1962-04-17
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Expires: 1979-09-22
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Abstract

No abstract record available.

Inventors

  • 👤 Tomkinson Francis Martin
  • 👤 Cheney Howard William
  • 👤 Sherwood Gordon Merrick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:38
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; Y; Y10; Y10S; Y10S292/00; Y10S292/48; Y10T; Y10T292/00; Y10T292/08; Y10T292/087; Y10T292/0871; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0917; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/508

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1503462A Cited
US1603418A Cited
US1521082A Cited
GB382769A Cited
US2374687A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-04-16 1965-10-16 1966-04-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-04-16 1969-10-16 1970-04-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-04-16 1973-10-16 1974-04-17 $7700.00 Window Closed / Lapsed

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