← Back to Patent Explorer
US3207556A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of assembling bristles for commercial brooms

Assignee: Individual
•
Filing: 1964-10-02
•
Granted: 1965-09-21
•
Expires: 1984-10-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Leo L Lechene

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:51
CPC Classifications
A; A46; A46D; A46D3/00; A46D3/04; A46D3/05

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 124 words
THE METHOD OF ASSEMBLING BRISTLES FOR APPLICATION TO THE GROOVED CORE OF A BROOM COMPRISING; ARRANGING IN A SINGLE LAYER OF PLURALITY OF ELONGATED THERMOPLASTIC BRISTLES IN SIDE BY SIDE PARALLEL ENGAGING RELATION UPON A FLAT SURFACE IN THE FORM OF A BAND; APPLYING TO AND OVER SAID BRISTLES AN ELONGATED REINFORCING STRIP CENTRALLY AND TRANSVERSELY THEREOF; APPLYING HEAT TO THE BRISTLES ALONG A NARROW, CENTRAL AREA INCLUDING SAID STRIP LONGITUDINALLY THEREOF, AND SIMULTANEOUSLY APPLYING A COMPRESSIVE PRESSURE TO SAID AREA EMBEDDING SAID STRIP WITHIN THE BRISTLES AND FUSING THE BRISTLES TO EACH OTHERE ALONG SAID AREA; AND THE FURTHER STEP OF FORMING SAID BAND INTO GENERAL V-SHAPE WITH THE APEX LONGITUDINALLY AND CENTRALLY OF SAID AREA TO PROVIDE A FIRST LAYER OF BRISTLES.
Claim 2
Independent Claim 124 words
THE METHOD OF ASSEMBLING BRISTLES FOR APPLICATION TO THE GROOVED CORE OF A BROOM COMPRISING; ARRANGING IN A SINGLE LAYER OF PLURALITY OF ELONGATED THERMOPLASTIC BRISTLES IN SIDE BY SIDE PARALLEL ENGAGING RELATION UPON A FLAT SURFACE IN THE FORM OF A BAND; APPLYING TO AND OVER SAID BRISTLES AN ELONGATED REINFORCING STRIP CENTRALLY AND TRANSVERSELY THEREOF; APPLYING HEAT TO THE BRISTLES ALONG A NARROW, CENTRAL AREA INCLUDING SAID STRIP LONGITUDINALLY THEREOF, AND SIMULTANEOUSLY APPLYING A COMPRESSIVE PRESSURE TO SAID AREA EMBEDDING SAID STRIP WITHIN THE BRISTLES AND FUSING THE BRISTLES TO EACH OTHERE ALONG SAID AREA; AND THE FURTHER STEP OF FORMING SAID BAND INTO GENERAL V-SHAPE WITH THE APEX LONGITUDINALLY AND CENTRALLY OF SAID AREA TO PROVIDE A FIRST LAYER OF BRISTLES.

References Cited (Backward Citations)

US2980467A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-20 1969-03-22 1969-09-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-20 1973-03-22 1973-09-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-20 1977-03-22 1977-09-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag