US3284269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing apparatus
Assignee: Doughboy Industries Inc
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Filing: 1963-06-20
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Granted: 1966-11-08
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Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 John J Grevich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:08
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/74; B29C65/743; B29C66/00; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81417; B29C66/818; B29C66/8181; B29C66/81811; B29C66/82; B29C66/822; B29C66/8222; B29C66/83; B29C66/832; B29C66/8322; B65; B65B; B65B61/00; B65B61/04; B65B61/06; B65B61/10; B29C66/8227; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313; Y10T156/17; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2183; Y10T83/2187; Y10T83/869; Y10T83/8798
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
APPARATUS FOR SEVERING A PAIR OF SUPERPOSED FILM LAMINAE AND SEALING TOGETHER THE LAMINAE EDGES PRODUCED IN THE SEVERANCE, COMPRISING A FRAME, AN ELONGATE ROLLER HAVING HEAT-CONDUCTIVE MEANS DEFINING AN OUTER ROLLER SURFACE AGAINST WHICH THE SUPERPOSED LAMINAE LIE, A HEATED FILM-SEVERING AND SEALING ELEMENT HAVING AN ELONGATE AND CONVEXLY BOWED EDGE EXTENDING LONGITUDINALLY OF THE ROLLER AND IN CONFRONTING RELATION WITH THE OUTER SURFACE THEREOF AND BEEARING AGAINST THE LAMINAE AND ROLLER AT ONE POINT ALONG SAID EDGE,
Claim 2
Dependent Claim
79 words
APPARATUS FOR SEVERING A PAIR OF SUPERPOSED FILM LAMINAE AND SEALING TOGETHER THE LAMINAE EDGES PRODUCED IN THE SEVERANCE, COMPRISING A FRAME, AN ELONGATE ROLLER HAVING HEAT-CONDUCTIVE MEANS DEFINING AN OUTER ROLLER SURFACE AGAINST WHICH THE SUPERPOSED LAMINAE LIE, A HEATED FILM-SEVERING AND SEALING ELEMENT HAVING AN ELONGATE AND CONVEXLY BOWED EDGE EXTENDING LONGITUDINALLY OF THE ROLLER AND IN CONFRONTING RELATION WITH THE OUTER SURFACE THEREOF AND BEEARING AGAINST THE LAMINAE AND ROLLER AT ONE POINT ALONG SAID EDGE,
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |