Patent US1732997A successfully refreshed from Google Patents.
Patent US2559472A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2559472A Expired / Lapsed US ⏱️ 0.0 years remaining

Pneumatic actuating means for metal parts washers

Assignee: Individual
•
Filing: 1947-10-30
•
Granted: 1951-07-03
•
Expires: 1967-10-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles B Shanaman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 11:50
CPC Classifications
C; C23; C23G; C23G3/00

Claims Analysis

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

References Cited (Backward Citations)

US211865A Cited
US1122887A Cited
US1292407A Cited
US1335853A Cited
US1771436A Cited
US1983931A Cited
US1934019A Cited
US2076262A Cited
GB426019A Cited
US2218880A Cited
US2174311A Cited
GB564885A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-02 1955-01-01 1955-07-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-02 1959-01-01 1959-07-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-02 1963-01-01 1963-07-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag