US3270370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruded plastic net
Assignee: Plastic Textile Accessories Ltd
•
Filing: 1963-10-30
•
Granted: 1966-09-06
•
Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Mercer Frank Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:40
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/345; B29C48/03; B29C48/05; B29C48/09; B29C48/10; B29C48/32; B29C48/33; B29C48/11; B29C48/12; B29C48/13; B29L; B29L2028/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN APPARATUS FOR CONTINUOUSLY EXTRUDING INTEGRAL PLASTIC NETTING IN TUBULAR FROM COMPRISING A PAIR OF COAXIAL, CIRCULAR, RELATIVELY ROTATING DIE MEMBERS EACH HAVING A CIRCUMFERENTIALLY EXTENDING SERIES OF COOPERATING COMPLEMENTARY DIE ORIFICES, AND MEANS FOR RELATIVELY ROTATING SAID DIE MEANS TO MOVE THE COOPERATIVE COMPLEMENTARY DIE ORIFICES INTO AND OUT OF REGISTRATION ONE WITH THE OTHER DURING EXTRUSION; THE IMPROVEMENT WHICH COMPRISES DIE MEMBERS WHEREIN THE CIRCUMFERENTIALLY INTENDING SERIES OF DIE ORIFICES IN EACH DIE MEMBER ARE ARRANGED IN SPACED GROUPS, THE SPACING BETWEEN GROUPS BEING AT LEAST AS LARGE AS THE ARCUATE EXTENT OF EACH
Claim 2
Dependent Claim
96 words
IN APPARATUS FOR CONTINUOUSLY EXTRUDING INTEGRAL PLASTIC NETTING IN TUBULAR FROM COMPRISING A PAIR OF COAXIAL, CIRCULAR, RELATIVELY ROTATING DIE MEMBERS EACH HAVING A CIRCUMFERENTIALLY EXTENDING SERIES OF COOPERATING COMPLEMENTARY DIE ORIFICES, AND MEANS FOR RELATIVELY ROTATING SAID DIE MEANS TO MOVE THE COOPERATIVE COMPLEMENTARY DIE ORIFICES INTO AND OUT OF REGISTRATION ONE WITH THE OTHER DURING EXTRUSION; THE IMPROVEMENT WHICH COMPRISES DIE MEMBERS WHEREIN THE CIRCUMFERENTIALLY INTENDING SERIES OF DIE ORIFICES IN EACH DIE MEMBER ARE ARRANGED IN SPACED GROUPS, THE SPACING BETWEEN GROUPS BEING AT LEAST AS LARGE AS THE ARCUATE EXTENT OF EACH
References Cited (Backward Citations)
US2639248A
Cited
US2825158A
Cited
US2919467A
Cited
US3118180A
Cited
US3070840A
Cited
US3163691A
Cited
US3112526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |