US3213890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular bodies
Assignee: United Shoe Machinery Corp
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Filing: 1962-12-31
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Granted: 1965-10-26
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 William R Battersby
- 👤 Clarence O Karl
- 👤 John S Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/12; F16L9/121; B; B29; B29C; B29C48/00; B29C48/15; B29C48/154; B29C48/155; B29C65/00; B29C65/02; B29C65/40; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/70; B29C66/72; B29C66/723; B29C66/7234; B31; B31F; B31F1/00; B31F1/0003; B31F1/0045; B31F1/0048; B31F5/00; B31F5/04; B31F7/00; B31F7/006; B29C48/03; B29C48/09; B29C53/00; B29C53/36; B29C65/405; B29C66/71; B29C66/7232; B29C66/72321; B29C66/72327; B29C66/72328; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2711/00; B29K2711/12; B29K2711/123; B31B; B31B50/00; B31B50/74; B31B50/742; B31B50/743; Y; Y10; Y10S; Y10S229/00; Y10S229/941
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A TUBULAR BODY COMPRISING A FIBER CORE SHEET HAVING IMPERVIOUS SURFACE LAYERS ON ITS OPPOSITE FACES, SAID SHEET BEING FORMED WITH MARGINAL PORTIONS AT OPPOSITE EDGES OF SAID SHEET IN OVERLAPPING SIDE SEAMING RELATION, THERMOPLASTIC ADHESIVE IN BONDING ENGAGEMENT WITH OVERLAPPING MARGINAL SIDE SEAMING PORTIONS OF SAID SHEET, AND THERMOPLASTIC RESINOUS SEALING MATERIAL COVERING EXPOSED PORTIONS OF THE FIBER CORE OF SAID SHEET AT THE EDGE OF THE INTERIOR ONE OF SAID OVERLAPPING MARGINAL SIDE SEAMING PORTIONS, SAID THERMOPLASTIC RESINOUS SEALING MATERIAL BEING SEALED TO A MARGINAL SURFACE PORTION OF THE EXPOSED
Claim 2
Dependent Claim
92 words
A TUBULAR BODY COMPRISING A FIBER CORE SHEET HAVING IMPERVIOUS SURFACE LAYERS ON ITS OPPOSITE FACES, SAID SHEET BEING FORMED WITH MARGINAL PORTIONS AT OPPOSITE EDGES OF SAID SHEET IN OVERLAPPING SIDE SEAMING RELATION, THERMOPLASTIC ADHESIVE IN BONDING ENGAGEMENT WITH OVERLAPPING MARGINAL SIDE SEAMING PORTIONS OF SAID SHEET, AND THERMOPLASTIC RESINOUS SEALING MATERIAL COVERING EXPOSED PORTIONS OF THE FIBER CORE OF SAID SHEET AT THE EDGE OF THE INTERIOR ONE OF SAID OVERLAPPING MARGINAL SIDE SEAMING PORTIONS, SAID THERMOPLASTIC RESINOUS SEALING MATERIAL BEING SEALED TO A MARGINAL SURFACE PORTION OF THE EXPOSED
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |