AT342129B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
GAS OR SMOKE MASK
Assignee: Haasler Dipl Ing Walter C
•
Filing: 1975-09-12
•
Granted: 1978-03-10
•
Expires: 1995-09-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-01 10:39
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/08; H04R1/083
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.