US3066064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealed edge joint and method
Assignee: Bemis Brothers Bag Co
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Filing: 1960-06-03
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Granted: 1962-11-27
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Expires: 1980-06-03
Abstract
No abstract record available.
Inventors
- 👤 Dennis L Pommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:54
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/10; B29C65/106; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/114; B29C66/1142; B29C66/13; B29C66/137; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/9161; B29C66/91641; B29C66/91643; B29C66/91645; B29C66/919; B29C66/92; B29C66/924; B29C66/9241; B29C66/929; B29C66/94; B29C66/949; B29C66/431; B29C66/4312; B29C66/43121; B29C66/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METHOD OF JOINING TOGETHER THE EDGES OF THERMOPLASTIC RESINOUS SHEET MATERIAL WHICH COMPRISES FIRST SEALING TOGETHER SUPERIMPOSED SHEETS BY SUBJECTING TO HEAT AND PRESSURE OVER A NARROW ELONGATED AREA PARALLEL TO AND SPACED FROM THE EDGES OF THE SUPERIMPOSED SHEETS TO LEAVE A NARROW AREA OF UNSEALED MATERIAL ADJACENT THE EDGES, AND THEN MELTING SAID AREA OF UNSEALED MATERIAL BETWEEN THE SEALED AREA AND THE EDGES OF THE SHEETS BY APPLICATION OF HEAT TO PRODUCE A THICKENED BEAD INTEGRAL WITH SAID SEALED AREA AND OF INCREASING THICKNESS FROM SAID SEALED AREA OUTWARD THE FREE EDGES OF THE SHEETS.
Claim 2
Independent Claim
99 words
A METHOD OF JOINING TOGETHER THE EDGES OF THERMOPLASTIC RESINOUS SHEET MATERIAL WHICH COMPRISES FIRST SEALING TOGETHER SUPERIMPOSED SHEETS BY SUBJECTING TO HEAT AND PRESSURE OVER A NARROW ELONGATED AREA PARALLEL TO AND SPACED FROM THE EDGES OF THE SUPERIMPOSED SHEETS TO LEAVE A NARROW AREA OF UNSEALED MATERIAL ADJACENT THE EDGES, AND THEN MELTING SAID AREA OF UNSEALED MATERIAL BETWEEN THE SEALED AREA AND THE EDGES OF THE SHEETS BY APPLICATION OF HEAT TO PRODUCE A THICKENED BEAD INTEGRAL WITH SAID SEALED AREA AND OF INCREASING THICKNESS FROM SAID SEALED AREA OUTWARD THE FREE EDGES OF THE SHEETS.
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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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |