Patent FR1130633A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR1130633A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device for pneumatic emptying of dust collectors with breathable bottom

Assignee: Vereinigte Westdeutsche Waggonfabriken AG
•
Filing: 1955-09-02
•
Granted: 1957-02-07
•
Expires: 1975-09-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-05 10:20
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/14; B04C5/18; B01; B01J; B01J8/00; B01J8/0015; B01J8/003; B65; B65D; B65D88/00; B65D88/54; B65D88/72

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag