Patent US2958620A successfully refreshed from Google Patents.
US2958620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic elastic products of piece-goods
Assignee: Individual
•
Filing: 1956-09-26
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Granted: 1960-11-01
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Expires: 1976-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ono Iwao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:39
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/03; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24562; Y10T428/24612; Y10T428/24744
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A METHOD OF FORMING AN INTERNALLY COMPARTMENTED FLEXIBLE PLASTIC STRUCTURE THAT COMPRISES ARRANGING A ROW OF FLEXIBLE THERMO-PLASTIC TUBES IN SPACED PARALLEL RELATION TO EACH OTHER AND INTERNALLY COMPARTMENTING SAID TUBES AND SIMULTANEOUSLY INTERCONNECTING THE SAME TO FORM A NET BY FLATTENING AND WELDING TOGETHER ONLY AT SPACED REGIONS INTERMEDIATE THE LENGTHS OF THE TUBES BY THE APPLICATION OF HEAT AND PRESSURE TO SAID SPACED REGIONS LEAVING THE TUES SEPARATED FROM EACH OTHER BETWEEN SAID SPACED REGIONS, AND FURTHER CHARACTERIZED IN THAT THERE IS PLACED AGAINST THE SAID ARRANGEMENT OF TUBES A FLAT CONTINUOUS LINING SHEET OF FLEXIBLE THERMO-PLASTIC MATERIAL, AND IN THAT SAID FLAT SHEET IS SECURED TO SAID NET-STRUCTURES BY WELDING THE SAME TO AT LEAST SOME OF SAID SPACED APART WELDED PORTIONS OF SAID NET STRUCTURE BY THE APPLICATION OF HEAT AND PRESSURE TO SAID SPACED REGIONS, LEAVING THE TUBES SEPARATE FROM SAID LINING SHEET BETWEEN SAID SPACED REGIONS.
Claim 2
Independent Claim
152 words
A METHOD OF FORMING AN INTERNALLY COMPARTMENTED FLEXIBLE PLASTIC STRUCTURE THAT COMPRISES ARRANGING A ROW OF FLEXIBLE THERMO-PLASTIC TUBES IN SPACED PARALLEL RELATION TO EACH OTHER AND INTERNALLY COMPARTMENTING SAID TUBES AND SIMULTANEOUSLY INTERCONNECTING THE SAME TO FORM A NET BY FLATTENING AND WELDING TOGETHER ONLY AT SPACED REGIONS INTERMEDIATE THE LENGTHS OF THE TUBES BY THE APPLICATION OF HEAT AND PRESSURE TO SAID SPACED REGIONS LEAVING THE TUES SEPARATED FROM EACH OTHER BETWEEN SAID SPACED REGIONS, AND FURTHER CHARACTERIZED IN THAT THERE IS PLACED AGAINST THE SAID ARRANGEMENT OF TUBES A FLAT CONTINUOUS LINING SHEET OF FLEXIBLE THERMO-PLASTIC MATERIAL, AND IN THAT SAID FLAT SHEET IS SECURED TO SAID NET-STRUCTURES BY WELDING THE SAME TO AT LEAST SOME OF SAID SPACED APART WELDED PORTIONS OF SAID NET STRUCTURE BY THE APPLICATION OF HEAT AND PRESSURE TO SAID SPACED REGIONS, LEAVING THE TUBES SEPARATE FROM SAID LINING SHEET BETWEEN SAID SPACED REGIONS.
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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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |