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US2614953A
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Heat-sealing element
Assignee: Akzo Nobel UK PLC
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Filing: 1946-02-09
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Granted: 1952-10-21
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Expires: 1966-02-09
Abstract
No abstract record available.
Inventors
- 👤 Anglada Joseph Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:03
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/00441; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/45; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/80; B29C66/81; B29C66/812; B29C66/8122; B29C66/814; B29C66/8145; B29C66/81457; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C33/00; B29C33/56; B29C33/60; B29C33/62; B29C33/64; B29C43/00; B29C43/22; B29C43/228; B29C66/7232; B29C66/72327; B29C66/72328; B29C66/818; B29C66/8181; B29K; B29K2001/00; B29K2001/08; B29K2001/12; B29K2023/00; B29K2023/04; B29K2023/06; B29K2027/00; B29K2027/06; B29K2027/08; B29K2029/00; B29K2031/00; B29K2031/04; B29K2033/00; B29K2033/04; B29K2033/08; B29K2033/12; B29K2061/00; B29K2067/00; B29K2067/06; B29K2077/00; B29K2089/00; B29K2093/00; B29L; B29L2007/00; B29L2009/00; B29L2023/00; B29L2031/00; B29L2031/712; Y; Y10; Y10T; Y10T156/00; Y10T156/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN APPARATUS FOR HEAT-SEALING A SHEET TO ITSELF OR OTHER MATERIALS COMPRISING, IN COMBINATION, A HEAT-SEALING ELEMENT, MEANS FOR HEATING THE ELEMENT, AND A FILM COMPRISING AN ELASTIC POLYORGANOSILOXANE HAVING A SOFTENING POINT ABOVE ABOUT 150* C. AND A RETENTION OF COMPRESSIBILITY AT TEMPERATURES OF APPROXIMATELY 175* C. FOR A PERIOD OF AT LEAST 100 HOURS, SAID FILM BEING DIS-
Claim 2
Independent Claim
60 words
AN APPARATUS FOR HEAT-SEALING A SHEET TO ITSELF OR OTHER MATERIALS COMPRISING, IN COMBINATION, A HEAT-SEALING ELEMENT, MEANS FOR HEATING THE ELEMENT, AND A FILM COMPRISING AN ELASTIC POLYORGANOSILOXANE HAVING A SOFTENING POINT ABOVE ABOUT 150* C. AND A RETENTION OF COMPRESSIBILITY AT TEMPERATURES OF APPROXIMATELY 175* C. FOR A PERIOD OF AT LEAST 100 HOURS, SAID FILM BEING DIS-
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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |