Patent US3345231A successfully refreshed from Google Patents.
US3345231A
Expired / Lapsed
US
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Apparatus and method for making non-woven netting
Assignee: Union Carbide Corp
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Filing: 1964-03-06
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Granted: 1967-10-03
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Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Gidge Lester
- 👤 Jr Valmor R Poulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:15
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
THE METHOD FOR MAKING NON-WOVEN, CRISS-CROSS STRAND NETTING OF A PREDETERMINED FULL WIDTH ON A PAIR OF LATERALLY, SPACED APART ROWS OF LONGITUDINALLY SPACED, LOOP-RECEIVING ELEMENTS WHICH DEFINE A LONGITUDINAL PATH FOR SAID NETTING WHICH COMPRISES THE STEPS OF: ADVANCING SAID ROWS UNIDIRECTIONALLY, EACH IN A CLOSED LOOP AND BOTH IN A COMMON PLANE THROUGH A LOOPING ZONE, A SPREADING ZONE, AND A STRIPPING ZONE ON SAID PATH; CLOSELY SPACING SAID ROWS IN PARALLELISM AT A DISTANCE APART, SUBSTANTIALLY LESS THAN SAID FULL WIDTH IN SAID LOOPING ZONE ON SAID PATH; ALTERNATELY LOOPING A PLURALITY OF INDIVIDUAL STRANDS FIRST AROUND ELEMENTS IN ONE SAID ROW AND THEN AROUND ELEMENTS IN THE OTHER SAID ROW, WHILE SAID ROWS ARE CLOSELY SPACED IN SAID LOOPING ZONE, T FORM A RELATIVELY NARROW CRISS-CROSS NETTING THEREBETWEEN; THEN DIVERGING SAID ADVANCING ROWS, IN REAR OF SAID LOOPING ZONE, IN SAID SPREADING ZONE ALONG SAID PATH, UNTIL THEY ARE SPACED APART THE FULL WIDTH OF THE SAID NETTING; AND THEN CONVERGING SAID ADVANCING ROWS IN REAR OF SAID SPREADING ZONE, IN A STRIPPING ZONE ALONG SAID PATH UNTIL SAID ROWS ARE AGAIN IN PARALLELISM AT A DISTANCE APART SUBSTANTIALLY EQUAL TO THE SAID PREDETERMINED WIDTH OF SAID NETTING.
Claim 2
Independent Claim
202 words
THE METHOD FOR MAKING NON-WOVEN, CRISS-CROSS STRAND NETTING OF A PREDETERMINED FULL WIDTH ON A PAIR OF LATERALLY, SPACED APART ROWS OF LONGITUDINALLY SPACED, LOOP-RECEIVING ELEMENTS WHICH DEFINE A LONGITUDINAL PATH FOR SAID NETTING WHICH COMPRISES THE STEPS OF: ADVANCING SAID ROWS UNIDIRECTIONALLY, EACH IN A CLOSED LOOP AND BOTH IN A COMMON PLANE THROUGH A LOOPING ZONE, A SPREADING ZONE, AND A STRIPPING ZONE ON SAID PATH; CLOSELY SPACING SAID ROWS IN PARALLELISM AT A DISTANCE APART, SUBSTANTIALLY LESS THAN SAID FULL WIDTH IN SAID LOOPING ZONE ON SAID PATH; ALTERNATELY LOOPING A PLURALITY OF INDIVIDUAL STRANDS FIRST AROUND ELEMENTS IN ONE SAID ROW AND THEN AROUND ELEMENTS IN THE OTHER SAID ROW, WHILE SAID ROWS ARE CLOSELY SPACED IN SAID LOOPING ZONE, T FORM A RELATIVELY NARROW CRISS-CROSS NETTING THEREBETWEEN; THEN DIVERGING SAID ADVANCING ROWS, IN REAR OF SAID LOOPING ZONE, IN SAID SPREADING ZONE ALONG SAID PATH, UNTIL THEY ARE SPACED APART THE FULL WIDTH OF THE SAID NETTING; AND THEN CONVERGING SAID ADVANCING ROWS IN REAR OF SAID SPREADING ZONE, IN A STRIPPING ZONE ALONG SAID PATH UNTIL SAID ROWS ARE AGAIN IN PARALLELISM AT A DISTANCE APART SUBSTANTIALLY EQUAL TO THE SAID PREDETERMINED WIDTH OF SAID NETTING.
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |