US3015601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of heat sealing and severing thermoplastic films
Assignee: Individual
•
Filing: 1959-08-13
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Granted: 1962-01-02
•
Expires: 1979-08-13
Abstract
No abstract record available.
Inventors
- 👤 Fener Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/229; B29C65/38; B29C65/74; B29C65/743; B29C65/7433; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/818; B29C66/8182; B29C66/81821; B29C66/8183; B29C66/81831; B29C66/83; B29C66/832; B29C66/8322; B29C65/222; B29C66/812; B29C66/8122; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/84; B29C66/849; B29C66/90; B29C66/91; B29C66/94; B29C66/944; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SEALING MEMBER FOR HEAT SEALING MACHINES COMPRISING IN COMBINATION, A BASE, AN ELONGATED HEATER ELEMENT IN THE FORM OF A METAL BAND ON SAID BASE ADAPTED TO BE HEATED TO UNIFORM SEALING TEMPERATURE THROUGHOUT ITS LENGTH BY THE PASSAGE OF CURRENT THERETHROUGH, AND A LAYER OF INSULATION COVERING SAID METAL BAND AND CONSTITUTING THE OPERATIVE SEALING FACE OF TE MEMBER, SAID LAYER HAVING A ROW OF PERFORATIONS IN ITS LINEAR REGION WHICH IS DIRECTLY OVERLYING SAID METAL BAND, THE DIAMETER OF SAID PERFORATIONS BEING AT LEAST EQUAL TO THE WIDTH OF SAID METAL BAND.
Claim 2
Dependent Claim
95 words
A SEALING MEMBER FOR HEAT SEALING MACHINES COMPRISING IN COMBINATION, A BASE, AN ELONGATED HEATER ELEMENT IN THE FORM OF A METAL BAND ON SAID BASE ADAPTED TO BE HEATED TO UNIFORM SEALING TEMPERATURE THROUGHOUT ITS LENGTH BY THE PASSAGE OF CURRENT THERETHROUGH, AND A LAYER OF INSULATION COVERING SAID METAL BAND AND CONSTITUTING THE OPERATIVE SEALING FACE OF TE MEMBER, SAID LAYER HAVING A ROW OF PERFORATIONS IN ITS LINEAR REGION WHICH IS DIRECTLY OVERLYING SAID METAL BAND, THE DIAMETER OF SAID PERFORATIONS BEING AT LEAST EQUAL TO THE WIDTH OF SAID METAL BAND.
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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |