Patent US2718589A successfully refreshed from Google Patents.
US3193604A
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Process and apparatus for producing ribbed sheeting
Assignee: Plastic Textile Accessories Ltd
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Filing: 1960-10-26
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Granted: 1965-07-06
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Mercer Frank Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:33
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18; B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/07; B29C48/08; B29C48/09; B29C48/10; B29C48/12; B29C48/25; B29C48/30; B29C48/305; B29C48/315; B29C48/32; B29C48/33; B29C48/001; B29C48/0018; B29C48/0019; B29C48/13; B29L; B29L2007/00; B29L2007/001; B29L2023/00; B29L2023/003; B29L2028/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD OF MANUFACTURING A PLASTIC SHEETING CONTAINING INTEGRAL REINFORCING RIBS ON BOTH SIDES OF THE SHEETING WHICH COMPRISES EXTRUDING THE PLASTIC IN THE FORM OF THIN SHEETING CONTAINING INTEGRAL, RIB-FORMING OUTWARD EXTENSIONS OF PLASTIC ON EACH SIDE OF SAID SHEETING AND MOVING, TRANSVERSE TO THE DIRECTION OF EXTRUSION, THE INTEGRAL RIB-FORMING EXTENSION OF PLASTIC ON AT LEAST ONE
Claim 2
Independent Claim
59 words
A METHOD OF MANUFACTURING A PLASTIC SHEETING CONTAINING INTEGRAL REINFORCING RIBS ON BOTH SIDES OF THE SHEETING WHICH COMPRISES EXTRUDING THE PLASTIC IN THE FORM OF THIN SHEETING CONTAINING INTEGRAL, RIB-FORMING OUTWARD EXTENSIONS OF PLASTIC ON EACH SIDE OF SAID SHEETING AND MOVING, TRANSVERSE TO THE DIRECTION OF EXTRUSION, THE INTEGRAL RIB-FORMING EXTENSION OF PLASTIC ON AT LEAST ONE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |