Patent US3293103A successfully refreshed from Google Patents.
US3293103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base fabric for carpets
Assignee: Zweigart and Sawitzki
•
Filing: 1964-06-05
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Granted: 1966-12-20
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Expires: 1984-06-05
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 10:03
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.
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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 |