Patent CH149071A successfully refreshed from Google Patents.
Patent US4207899A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2865201A Expired / Lapsed US ⏱️ 0.0 years remaining

Gyroscopic mass flowmeter

Assignee: Individual
•
Filing: 1954-08-26
•
Granted: 1958-12-23
•
Expires: 1974-08-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Roth Wilfred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:19
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/78; G01F1/80; G01F1/84; G01F1/8409; G01F1/8413; G01F1/8422; G01F1/8427; G01F1/8431; G01F1/845; G01F1/8454; G01F1/8468; G01F1/8472; G01F1/8481

Claims Analysis

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

References Cited (Backward Citations)

US2624198A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-22 1962-06-23 1962-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-22 1966-06-23 1966-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-22 1970-06-23 1970-12-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag