Patent US2276326A successfully refreshed from Google Patents.
Patent DE377239C successfully refreshed from Google Patents.
← Back to Patent Explorer
DE377239C Expired / Lapsed DE ⏱️ 0.0 years remaining

Prism telescope

Assignee: Individual
•
Filing: 1921-09-04
•
Granted: 1923-06-15
•
Expires: 1941-09-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-04 15:38
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/16; G02B23/18

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