US3332831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and construction of joining together reinforced sheets of plastic
Assignee: STO Cote Products Inc
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Filing: 1965-02-08
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Granted: 1967-07-25
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Irving J Stoller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:36
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; B29C70/224; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5042; B29C65/5057; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B29C66/72; B29C66/721; B29C66/723; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/7212; B29L; B29L2009/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24529; Y10T428/24752
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN IMPROVED JOINT CONSTRUCTION FOR A PAIR OF SHEETS OF POLYETHYLENE HAVING ONE END OF EACH SHEET OVERLAPPING, SAID POLYETHYLENE SHEETS HAVING REINFORCING MATERIAL BONDED INTEGRALLY THEREIN, SAID REINFORCING MATERIAL HAVING A GREATER THICKNESS THAN SAID SHEETS AND SAID SHEETS BEING FORMED WITH PROTUBERANCES ON BOTH SIDES OF SAID SHEETS CONFORMING TO THE CURVATURE OF SAID REINFORCING MATERIAL AND CONVERING SAID REINFORCING MATERIAL WHEREIN THE IMPROVEMENT COMPRISES: AT LEAST AN INNER POLYETHYLENE SEALING FILM DEPOSITED BETWEEN SAID POLYETHYLENE SHEETS WHERE THEY OVERLAP, SAID INNER FILM BEING BONDED TO SAID POLYETHYLENE SHEETS, SAID INNER FILM BEING OF SUFFICIENT THICKNESS AND HAVING PHYSICAL PROPERTIES THAT ENABLE THE POLYETHYLENE SHEETS AND THE INNER POLYETHYLENE FILM TO BE BONDED TOGETHER WITHOUT RUPTURING THE POLYETHYLENE SHEETS AT SAID PROTUBERANCES.
Claim 2
Dependent Claim
35 words
THE JOINT CONSTRUCTION OF CLAIM 5, WHEREIN PORTIONS OF SAID INNER POLYETHYLENE FILM REPLACE MATERIAL OF SAID SHEETS WHICH FLOWS AWAY FROM THE PROTUBERANCES OF SAID REINFORCING MATERIAL DURING THE FORMING OF SAID SEALED JOINT.
References Cited (Backward Citations)
US2060906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |