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US3293103A Expired / Lapsed US ⏱️ 0.0 years remaining

Base fabric for carpets

Assignee: Zweigart and Sawitzki
•
Filing: 1964-06-05
•
Granted: 1966-12-20
•
Expires: 1984-06-05
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Abstract

No abstract record available.

Inventors

  • 👤 Georgii Walter
  • 👤 Georgii Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 02:18
CPC Classifications
D; D03; D03D; D03D11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/23979; Y10T442/00; Y10T442/30; Y10T442/3049

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 175 words
A WOVEN CARPET BASE FABRIC COMPRISING A FIRST SET OF WRAP THREADS AND WEFT THREADS AND A SECOND SET OF WRAP THREADS AND WEFTS THREADS INTERWOVEN IN SUPERIMPOSED FRONT AND BACK LAYERS IN WHICH SAID FIRST AND SECOND SETS FORM PATTERN PORTIONS; AND FIRST AND SECOND PAIRS OF ANCHORING THREADS, WOVEN INTO SAID BACK LAYER AND FORMING FLOATING LOOPS ON SAID FRONT LAYER, SAID FIRST PAIR OF ANCHORING THREADS BEING WOVEN INTO SAID FIRST SET OF WEFT THREADS AND WRAP THREADS AND SAID SECOND PAIR OF ANCHORING THREADS BEING WOVEN INTO SAID SECOND SET OF WEFT THREADS AND WRAP THREADS WHERE THE SAME ARE LOCATED IN SAID BACK LAYER, AND FORMING PAIRS OF FLOATING LOOPS WHERE THE RESPECTIVE SET OF WRAP THREADS AND WEFT THREADS FORMS SAID PATTERN PORTIONS OF SAID FRONT LAYER, SAID LOOPS BEING ADAPTED TO HOLD TUFTS ON SAID FRONT LAYER, PAIRS OF SAID LOOPS BEING ALIGNED AND SPACED FROM OTHER PAIRS OF SAID LOOPS A DISTANCE CORRESPONDING TO A PLURALITY OF SAID THREADS OF SAID FIRST AND SECOND SETS OF THREADS.
Claim 2
Dependent Claim 175 words
A WOVEN CARPET BASE FABRIC COMPRISING A FIRST SET OF WRAP THREADS AND WEFT THREADS AND A SECOND SET OF WRAP THREADS AND WEFTS THREADS INTERWOVEN IN SUPERIMPOSED FRONT AND BACK LAYERS IN WHICH SAID FIRST AND SECOND SETS FORM PATTERN PORTIONS; AND FIRST AND SECOND PAIRS OF ANCHORING THREADS, WOVEN INTO SAID BACK LAYER AND FORMING FLOATING LOOPS ON SAID FRONT LAYER, SAID FIRST PAIR OF ANCHORING THREADS BEING WOVEN INTO SAID FIRST SET OF WEFT THREADS AND WRAP THREADS AND SAID SECOND PAIR OF ANCHORING THREADS BEING WOVEN INTO SAID SECOND SET OF WEFT THREADS AND WRAP THREADS WHERE THE SAME ARE LOCATED IN SAID BACK LAYER, AND FORMING PAIRS OF FLOATING LOOPS WHERE THE RESPECTIVE SET OF WRAP THREADS AND WEFT THREADS FORMS SAID PATTERN PORTIONS OF SAID FRONT LAYER, SAID LOOPS BEING ADAPTED TO HOLD TUFTS ON SAID FRONT LAYER, PAIRS OF SAID LOOPS BEING ALIGNED AND SPACED FROM OTHER PAIRS OF SAID LOOPS A DISTANCE CORRESPONDING TO A PLURALITY OF SAID THREADS OF SAID FIRST AND SECOND SETS OF THREADS.

References Cited (Backward Citations)

US267285A Cited
US881386A Cited
US1991366A Cited
FR813158A Cited
US2180054A Cited
US2864409A Cited
US2949660A Cited
US3015149A Cited
US3075274A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-19 1970-06-20 1970-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-19 1974-06-20 1974-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-19 1978-06-20 1978-12-20 $7700.00 Window Closed / Lapsed

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