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US643307A Expired / Lapsed US ⏱️ 0.0 years remaining

Sliding door.

Assignee: Individual
•
Filing: 1899-10-27
•
Granted: 1900-02-13
•
Expires: 1919-10-27
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Abstract

No abstract record available.

Inventors

  • 👤 Ehrhard Schmitt
  • 👤 Andreas Schmitt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 21:43
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; A; A47; A47H; A47H23/00; A47H23/02; A47H2023/025; E05Y; E05Y2600/00; E05Y2600/40; E05Y2600/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1903-02-13 1903-08-15 1904-02-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-02-13 1907-08-15 1908-02-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-02-13 1911-08-15 1912-02-14 $7700.00 Window Closed / Lapsed

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