Patent US3207556A successfully refreshed from Google Patents.
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
Abstract
No abstract record available.
Inventors
- 👤 Leo L Lechene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:05
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 |