Patent US2834737A successfully refreshed from Google Patents.
Patent US3497353A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3497353A Expired / Lapsed US ⏱️ 0.0 years remaining

Light-sensitive polyether reproduction layer

Assignee: Kalle GmbH and Co KG
•
Filing: 1967-01-04
•
Granted: 1970-02-24
•
Expires: 1987-01-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Hartmut Steppan
  • 👤 Johannes Munder
  • 👤 Hans Ruckert
  • 👤 Gunter Messward
  • 👤 Walter Luders

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 03:47
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388

Claims Analysis

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

References Cited (Backward Citations)

US3410824A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-23 1973-08-25 1974-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-23 1977-08-25 1978-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-23 1981-08-25 1982-02-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag