Patent US2957792A successfully refreshed from Google Patents.
US2957792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of heat sealing edge bindings around openings in hollow thermoplastic bodies
Assignee: Individual
•
Filing: 1954-04-19
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Granted: 1960-10-25
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Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Sidney H Magid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:01
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/36; A; A41; A41D; A41D27/00; A41D27/24; A41D27/245; B29L; B29L2031/00; B29L2031/48; B29L2031/4842; B29L2031/4857; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T428/00; Y10T428/24; Y10T428/24777; Y10T428/24793
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
THE METHOD OF MAKING A PAIR OF BABY PANTS FROM A PREFORMED IMPERFORATE PANTS BODY OF THERMOPLASTIC SHEET MATERIAL WHICH HAS A FRONT WALL AND A BACK WALL, AND A PAIR OF SEPARATE ANNULAR EDGINGS OF THERMOPLASTIC MATERIAL WHICH ARE TO BE SECURED TO SAID BODY TO SURROUND LEG OPENINGS WHICH ARE TO BE MADE THEREIN, SAID METHOD COMPRISING INSERTING A THIN METAL PLATE INTO A PREFORMED PANTS BODY BETWEEN THE FRONT AND BACK WALLS THEREOF TO ISOLATE THEM FOR EACH OTHER AND TO SUPPORT THEM IN FLAT CONDITION, MOUNTING UPON ANOTHER SUPPORT THAT PART OF THE ANNULAR EDGINGS WHICH ARE TO BE SECURED TO THE MAIN BODY PORTION, MOVING AT LEAST ONE OF SAID SUPPORTS TOWARD THE OTHER TO BRING SAID PARTS OF THE ANNULAR EDGING AND SAID BODY PORTION INTO FACE-TO-FACE ENGAGEMENT IN THE AREA OF THE INTENDED LEG OPENINGS, AND THE UNITING SAID EDGINGS AND THE MAIN BODY PORTION TO EACH OTHER BY APPLYING HEAT AND PRESSURE, AND SIMULTANEOUSLY FORMING A SCORE LINE, AND THEN REMOVING THE SURPLUS MATERIAL CIRCUMSCRIBED BY SAID SCORE LINE OF CONTACT.
Claim 2
Independent Claim
179 words
THE METHOD OF MAKING A PAIR OF BABY PANTS FROM A PREFORMED IMPERFORATE PANTS BODY OF THERMOPLASTIC SHEET MATERIAL WHICH HAS A FRONT WALL AND A BACK WALL, AND A PAIR OF SEPARATE ANNULAR EDGINGS OF THERMOPLASTIC MATERIAL WHICH ARE TO BE SECURED TO SAID BODY TO SURROUND LEG OPENINGS WHICH ARE TO BE MADE THEREIN, SAID METHOD COMPRISING INSERTING A THIN METAL PLATE INTO A PREFORMED PANTS BODY BETWEEN THE FRONT AND BACK WALLS THEREOF TO ISOLATE THEM FOR EACH OTHER AND TO SUPPORT THEM IN FLAT CONDITION, MOUNTING UPON ANOTHER SUPPORT THAT PART OF THE ANNULAR EDGINGS WHICH ARE TO BE SECURED TO THE MAIN BODY PORTION, MOVING AT LEAST ONE OF SAID SUPPORTS TOWARD THE OTHER TO BRING SAID PARTS OF THE ANNULAR EDGING AND SAID BODY PORTION INTO FACE-TO-FACE ENGAGEMENT IN THE AREA OF THE INTENDED LEG OPENINGS, AND THE UNITING SAID EDGINGS AND THE MAIN BODY PORTION TO EACH OTHER BY APPLYING HEAT AND PRESSURE, AND SIMULTANEOUSLY FORMING A SCORE LINE, AND THEN REMOVING THE SURPLUS MATERIAL CIRCUMSCRIBED BY SAID SCORE LINE OF CONTACT.
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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) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |