US3579404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting and sealing unit
Assignee: Nordson Corp
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Filing: 1969-03-06
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Granted: 1971-05-18
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Expires: 1989-03-06
Abstract
Abstract A CUTTING AND SEALING UNIT FOR PLASTIC PACKAGING MACHINES. THE UNIT COMPRISES THREE RELATIVELY MOVABLE FRAMES, TWO OF WHICH INCLUDE GRIPPING JAWS AND THE THIRD, A HEAT SEALING AND CUTTING KNIFE.
Inventors
- 👤 Robert J Spitznagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:02
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/745; B29C65/7451; B29C65/02; B29C65/18; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/80; B29C66/82; B29C66/822; B29C66/8221; B29C66/8225; B29C66/83; B29C66/832; B29C66/8322; B65; B65B; B65B61/00; B65B61/04; B65B61/06; B65B61/10; B65B9/00; B65B9/06; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/137; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |