US3399291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse sealing of thermoplastic materials
Assignee: Mobil Oil AS
•
Filing: 1966-04-26
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Granted: 1968-08-27
•
Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony P Limbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:12
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/226; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/12; B29C66/124; B29C66/1244; B29C66/12441; B29C66/1246; B29C66/12461; B29C66/345; B29C66/3452; B29C66/50; B29C66/51; B29C66/54; B29C66/542; B29C66/545; B29C66/61; B29C66/612; B29C66/63; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/812; B29C66/8122; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81417; B29C66/81427; B29C66/81431; B29C66/818; B29C66/8181; B29C66/81811; B29C65/38; B29C66/8126; B29C66/81261; B29C66/81262; B29C66/81419; B29C66/8182; B29C66/81821; B29K; B29K2909/00; B29K2909/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN IMPULSE HEATING ASSEMBLY COMPRISING A BAND OF METAL, HAVING HIGH ELECTRICAL RESISTANCE AND COATED ON THE BACK WITH CERAMIC MATERIAL, MOUNTED ON A BLOCK, PROVIDED WITH COOLING MEANS, WITH A RESILIENT ADHESIVE HAVING HIGH HEAT RESISTANCE; SAID BAND OF METAL BEING RELATIVELY THIN NEAR THE OUTER EDGES AND HAVING A THICKER RAISED CENTRAL SECTION.
Claim 2
Dependent Claim
55 words
AN IMPULSE HEATING ASSEMBLY COMPRISING A BAND OF METAL, HAVING HIGH ELECTRICAL RESISTANCE AND COATED ON THE BACK WITH CERAMIC MATERIAL, MOUNTED ON A BLOCK, PROVIDED WITH COOLING MEANS, WITH A RESILIENT ADHESIVE HAVING HIGH HEAT RESISTANCE; SAID BAND OF METAL BEING RELATIVELY THIN NEAR THE OUTER EDGES AND HAVING A THICKER RAISED CENTRAL SECTION.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |