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US2943889A Expired / Lapsed US ⏱️ 0.0 years remaining

Caster truck wheels

Assignee: Rapids Standard Co Inc
•
Filing: 1956-09-27
•
Granted: 1960-07-05
•
Expires: 1976-09-27
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Abstract

No abstract record available.

Inventors

  • 👤 Woldring Egbert
  • 👤 Graaf Maurice De
  • 👤 John C Baxter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:59
CPC Classifications
B; B60; B60B; B60B23/00; B60B23/06; B60B23/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1442603A Cited
US1562696A Cited
FR666566A Cited
US2014247A Cited
FR909095A Cited
US2476059A Cited
US2559975A Cited
US2620675A Cited
US2606076A Cited
US2600033A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-07-05 1964-01-04 1964-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-07-05 1968-01-04 1968-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-07-05 1972-01-04 1972-07-05 $7700.00 Window Closed / Lapsed

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