USB309755I5
Expired / Lapsed
US
⏱️ 0.0 years remaining
USB309755I5 - - Google Patents
Assignee: —
•
Filing: 1972-11-27
•
Granted: —
•
Expires: 1992-11-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:07
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/891; H10F; H10F39/00; H10F39/10; H10F39/12; H10F39/15; H10F39/153
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.