← Back to Patent Explorer
US3121245A Expired / Lapsed US ⏱️ 0.0 years remaining

Adaptor for brush sections

Assignee: PPG Industries Inc
•
Filing: 1961-04-18
•
Granted: 1964-02-18
•
Expires: 1981-04-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ralph F Tilgner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 08:56
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/003

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 76 words
AN ADAPTOR FOR A BRUSH SECTION COMPRISING A RECTANGULAR SHEET OF METAL HAVING PREFORMED BENT TABS ON THE DIAGONALLY OPPOSED CORNERS THEREOF, THE TABS ON DIAGONALLY OPPOSED CORNERS BEING BENT IN THE SAME DIRECTION AND ONE OF THE PAIRS OF TABS EXTENDING IN THE OPPOSITE DIRECTION FROM THE OTHER PAIR, SAID TABS BEING RESILIENTLY CONSTRUCTED TO PERMIT THE ADAPTOR TO SNAP INTO PLACE WITHIN THE INNER PERIMETER OF THE CHANNEL BACKING RING OF A BRUSH SECTION.
Claim 2
Dependent Claim 76 words
AN ADAPTOR FOR A BRUSH SECTION COMPRISING A RECTANGULAR SHEET OF METAL HAVING PREFORMED BENT TABS ON THE DIAGONALLY OPPOSED CORNERS THEREOF, THE TABS ON DIAGONALLY OPPOSED CORNERS BEING BENT IN THE SAME DIRECTION AND ONE OF THE PAIRS OF TABS EXTENDING IN THE OPPOSITE DIRECTION FROM THE OTHER PAIR, SAID TABS BEING RESILIENTLY CONSTRUCTED TO PERMIT THE ADAPTOR TO SNAP INTO PLACE WITHIN THE INNER PERIMETER OF THE CHANNEL BACKING RING OF A BRUSH SECTION.

References Cited (Backward Citations)

US1269179A Cited
US2136103A Cited
US2291514A Cited
US2316185A Cited
US2320384A Cited
US2345422A Cited
US2347634A Cited
US2584309A Cited
US2585622A Cited
GB739858A Cited
US2789302A Cited
US2822648A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-17 1967-08-19 1968-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-17 1971-08-19 1972-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-17 1975-08-19 1976-02-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag