US3140330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stretching plastic net
Assignee: Union Carbide Corp
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Filing: 1961-12-15
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Granted: 1964-07-07
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Carlos D Gutierrez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:54
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/28; B29C55/285; B29C48/00; B29C48/03; B29C48/13; B29C48/25; B29C48/30; B29C48/32; B29C35/00; B29C35/02; B29C35/04; B29C48/05; B29C48/09; B29C48/10; B29L; B29L2028/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR INCREASING THE DIAMETER AND MESH SIZE OF TUBULAR PLASTIC NET COMPRISING PASSING SAID NET OVER A MANDREL HAVING A DIAMETER GREATER THAN THE INTERNAL DIAMETER OF SAID TUBULAR NET SO AS TO STRETCH SAID NET; PASSING THE STRETCHED NET THROUGH A SIZING RING HAVING AN INTERNAL DIAMETER SUBSTANTIALLY SMALLER THAN THE DIAMETER OF SAID MANDREL; AND WITHDRAWING SAID NET FROM SAID SIZING RING OVER MEANS FOR FLATTENING SAID NET.
Claim 2
Dependent Claim
72 words
A PROCESS FOR INCREASING THE DIAMETER AND MESH SIZE OF TUBULAR PLASTIC NET COMPRISING PASSING SAID NET OVER A MANDREL HAVING A DIAMETER GREATER THAN THE INTERNAL DIAMETER OF SAID TUBULAR NET SO AS TO STRETCH SAID NET; PASSING THE STRETCHED NET THROUGH A SIZING RING HAVING AN INTERNAL DIAMETER SUBSTANTIALLY SMALLER THAN THE DIAMETER OF SAID MANDREL; AND WITHDRAWING SAID NET FROM SAID SIZING RING OVER MEANS FOR FLATTENING SAID NET.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |