Patent US2575864A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2575864A Expired / Lapsed US ⏱️ 0.0 years remaining

Let-down type rigid top

Assignee: Individual
•
Filing: 1948-07-13
•
Granted: 1951-11-20
•
Expires: 1968-07-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Antony H Croucher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:06
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/02; B60J7/026

Claims Analysis

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

References Cited (Backward Citations)

US1379906A Cited
US1722227A Cited
US2105293A Cited
GB415378A Cited
US2051140A Cited
GB448042A Cited
US2303788A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-11-19 1955-05-21 1955-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-11-19 1959-05-21 1959-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-11-19 1963-05-21 1963-11-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag