← Back to Patent Explorer
US2888966A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotating air seal

Assignee: Continental Gin Co
•
Filing: 1955-02-14
•
Granted: 1959-06-02
•
Expires: 1975-02-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George C Morgan
  • 👤 Bardeleben Walker P De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:25
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/04; B27L1/05

Claims Analysis

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

References Cited (Backward Citations)

US1000505A Cited
US1162758A Cited
FR620496A Cited
US2542371A Cited
US2568092A Cited
US2623558A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-06-01 1962-12-01 1963-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-06-01 1966-12-01 1967-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-06-01 1970-12-01 1971-06-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag