DE355214C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Foldable trestle frame for strollers
Assignee: FRIEDRICH HEMMANN
•
Filing: 1921-06-02
•
Granted: 1922-06-23
•
Expires: 1941-06-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 00:55
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/10; B62B2205/00; B62B2205/06
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.