US3243574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse sealer
Assignee: Millennium Petrochemicals Inc
•
Filing: 1961-04-26
•
Granted: 1966-03-29
•
Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 James E Blythe
- 👤 Myron A Mayhew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/861; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/228; B29C65/229; B29C65/24; B29C65/30; B29C66/004; B29C66/0042; B29C66/0044; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/23; B29C66/232; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/432; B29C66/4322; B29C66/81; B29C66/818; B29C66/849; B65; B65B; B65B51/00; B65B51/10; H; H05; H05B; H05B3/00; B29C65/04; B29C65/222; B29C65/223; B29C66/70; B29C66/71; B29C66/73; B29C66/735; B29C66/7352; B29C66/739; B29C66/7392; B29C66/73921; B29C66/812; B29C66/8122; B29C66/90; B29C66/91; B29C66/92; B29C66/924; B29C66/9241; B29C66/929; B29C66/94; B29C66/944; B29C66/949; B65B2051/105; Y; Y10; Y10T; Y10T156/00; Y10T156/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A SEALER HEAD COIMPRISING AN ELONGATED RELATIVELY FLAT BASE, A HANDLE MOUNTED ON ONE FACE OF SAID BASE, A HEATING MEMBER EXTENDING FROM THE OPPOSED FACE OF SAID BASE, SAID HEATING MEMBER COMPRISING A FLAT STRIP OF HEAT CONDUCTING SPRING-LIKE MATERIAL HAVING A CENTRAL PORTION BOWED OUTWARDLY AWAY FROM THE BASE AND HAVING ITS ENDS CONNECTED TO THE ENDS OF THE BASE, HEATING ELEMENT MEANS ENGAGING THE OUTER SURFACE OF SAID HEATING MEMBER, MEANS INSULATING SAID HEATING ELEMENT MEANS FROM SAID HEATING MEMBER, SAID HEATING ELEMENT MEANS COMPRISING RELATIVELY THIN WIRE MEANS, AND MEANS FOR ELECTRICALLY ENERGIZING SAID WIRE MEANS.
Claim 2
Dependent Claim
100 words
A SEALER HEAD COIMPRISING AN ELONGATED RELATIVELY FLAT BASE, A HANDLE MOUNTED ON ONE FACE OF SAID BASE, A HEATING MEMBER EXTENDING FROM THE OPPOSED FACE OF SAID BASE, SAID HEATING MEMBER COMPRISING A FLAT STRIP OF HEAT CONDUCTING SPRING-LIKE MATERIAL HAVING A CENTRAL PORTION BOWED OUTWARDLY AWAY FROM THE BASE AND HAVING ITS ENDS CONNECTED TO THE ENDS OF THE BASE, HEATING ELEMENT MEANS ENGAGING THE OUTER SURFACE OF SAID HEATING MEMBER, MEANS INSULATING SAID HEATING ELEMENT MEANS FROM SAID HEATING MEMBER, SAID HEATING ELEMENT MEANS COMPRISING RELATIVELY THIN WIRE MEANS, AND MEANS FOR ELECTRICALLY ENERGIZING SAID WIRE MEANS.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |