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US1447520A Expired / Lapsed US ⏱️ 0.0 years remaining

Fastening tubular posts to loose-leaf ledgers

Assignee: Avery Dennison Office Products Co
•
Filing: 1922-01-28
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Granted: 1923-03-06
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Expires: 1942-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Schade John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:45
CPC Classifications
F; F16; F16L; F16L5/00; B; B21; B21D; B21D39/00; B21D39/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/4994; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53987

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1926-03-05 1926-09-04 1927-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1930-03-05 1930-09-04 1931-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1934-03-05 1934-09-04 1935-03-06 $7700.00 Window Closed / Lapsed

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