Patent US3449195A successfully refreshed from Google Patents.
US3449195A
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US
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Heat sealing apparatus
Assignee: American Velcro Inc
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Filing: 1966-04-12
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Granted: 1969-06-10
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Expires: 1986-04-12
Abstract
No abstract record available.
Inventors
- 👤 Laurent H Girard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:49
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/36; B29C65/00; B29C65/02; B29C65/18; B29C65/78; B29C65/7802; B29C65/7832; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/433; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B31; B31B; B31B50/00; B31B50/60; B31B50/64; B29C65/24; B29C65/30; B29C65/305; B29C65/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AAPPARATUS FOR OVERLAPPING PORTIONS OF SHEET MATERIAL AND HEAT SEALING THEM TOGETHER COMPRISING: (A) A PAIR OF HEAT SEALING ELEMENTS MOUNTED FOR RECIPROCAL MOVEMENT TO AND FROM A HEAT SEALING STATION, (B) MEANS FOR RECIPROCATING THE HEAT SEALING ELEMENTS TO AND FROM THE HEAT SEALING STATION, (C) SHEET MATERIAL GUIDE MEANS FOR RECEIVING PORTIONS OF SHEET MATERIAL AND POSITIONING THEM IN OVERLAPPING RELATIONSHIP AT THE HEAT SEALING STATION, AND (D) MEANS FOR MOVING THE GUIDE MEANS AWAY FROM THE HEAT SEALING STATION BEFORE MOVING THE HEAT SEALING ELEMENTS INTO CONTACT WITH THE SHEET MATERIAL AT THE HEAT SEALING STATION.
Claim 2
Dependent Claim
99 words
AAPPARATUS FOR OVERLAPPING PORTIONS OF SHEET MATERIAL AND HEAT SEALING THEM TOGETHER COMPRISING: (A) A PAIR OF HEAT SEALING ELEMENTS MOUNTED FOR RECIPROCAL MOVEMENT TO AND FROM A HEAT SEALING STATION, (B) MEANS FOR RECIPROCATING THE HEAT SEALING ELEMENTS TO AND FROM THE HEAT SEALING STATION, (C) SHEET MATERIAL GUIDE MEANS FOR RECEIVING PORTIONS OF SHEET MATERIAL AND POSITIONING THEM IN OVERLAPPING RELATIONSHIP AT THE HEAT SEALING STATION, AND (D) MEANS FOR MOVING THE GUIDE MEANS AWAY FROM THE HEAT SEALING STATION BEFORE MOVING THE HEAT SEALING ELEMENTS INTO CONTACT WITH THE SHEET MATERIAL AT THE HEAT SEALING STATION.
References Cited (Backward Citations)
US2466643A
Cited
US3172798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |