US3158181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric tubate product and process
Assignee: W.L. Gore and Associates Inc
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Filing: 1959-05-11
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Granted: 1964-11-24
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 Wilbert L Gore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:30
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B29; B29C; B29C70/00; B29C70/68; B29C70/685; B29C70/687; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/50; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49391; Y10T428/00; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AS A NEW ARTICLE OF MANUFACTURE, AN ASSEMBLY MADE OF UNSINTERED TETRAFLUOROETHYLENE RESIN AND MAINLY IN SHEET FORM HAVING NEAR ONE EDGE A PLURALITY OF TUBES EXTENDING UPWARDLY FROM THE FLAT PLANE OF THE SHEET, HAVING AT THE PARALLEL EDGE OPPOSITE SAID FIRST EDGE BUT ON THE OPPOSITE SIDE OF SAID SHEET AT LEAST ONE TUBE EXTENDING DOWNWARDLY FROM THE PLANE OF THE SHEET, AND IN EACH OF THE SAID TUBES MEANS FOR STIFFENING AND FILLING SAID TUBES, THE SAID TUBES ON THE ONE SIDE BEING ADAPTED TO BE BROUGHT INTO INTERMESHING AND LOCKING RELATIONSHIP WITH THE SAID TUBES ON THE OTHER SIDE TO CONVERT THE SAID ASSEMBLY INTO A NEW TUBULAR STRUCTURE.
Claim 2
Dependent Claim
113 words
AS A NEW ARTICLE OF MANUFACTURE, AN ASSEMBLY MADE OF UNSINTERED TETRAFLUOROETHYLENE RESIN AND MAINLY IN SHEET FORM HAVING NEAR ONE EDGE A PLURALITY OF TUBES EXTENDING UPWARDLY FROM THE FLAT PLANE OF THE SHEET, HAVING AT THE PARALLEL EDGE OPPOSITE SAID FIRST EDGE BUT ON THE OPPOSITE SIDE OF SAID SHEET AT LEAST ONE TUBE EXTENDING DOWNWARDLY FROM THE PLANE OF THE SHEET, AND IN EACH OF THE SAID TUBES MEANS FOR STIFFENING AND FILLING SAID TUBES, THE SAID TUBES ON THE ONE SIDE BEING ADAPTED TO BE BROUGHT INTO INTERMESHING AND LOCKING RELATIONSHIP WITH THE SAID TUBES ON THE OTHER SIDE TO CONVERT THE SAID ASSEMBLY INTO A NEW TUBULAR STRUCTURE.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |