US3826702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of in-situ heat seal sleeving for large rolls
Assignee: CHAPMAN INDUSTRIES Inc A CORP OF DE
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Filing: 1972-04-21
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Granted: 1974-07-30
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Expires: 1992-04-21
Abstract
Abstract Heat sealing organic polymeric materials, especially fluorocarbon films, to form tubular sleeves about large and elongated rolls prior to heat-shrinking the sleeve snugly about the roll, thereby to effect rapid in-situ roll sleeving.
Inventors
- 👤 H Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:57
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C63/00; B29C63/02; B29C63/04; B29C63/06; B29C63/38; B29C63/40; B29C63/42; B29C65/22; B29C65/221; B29C65/224; B29C65/229; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/01; B29C66/03; B29C66/032; B29C66/0324; B29C66/03241; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/32; B29C66/324; B29C66/345; B29C66/3452; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B29C66/496; B29C66/70; B29C66/71; B29C66/73; B29C66/737; B29C66/7371; B29C66/73715; B29C66/80; B29C66/81; B29C66/814; B29C66/8145; B29C66/81455; B29C66/82; B29C66/828; B29C66/8282; B29C66/8286; B29C53/00; B29C53/36; B29C53/38; B29C63/18; B29C65/228; B29C66/84; B29C66/90; B29C66/91; B29C66/92; B29C66/924; B29C66/9241; B29C66/94; B29C66/949; B29K; B29K2027/00; B29K2027/12; B29K2027/18; B29K2995/00; B29K2995/0037; B29K2995/0049; B29L; B29L2023/00; B29L2023/22; B29L2031/00; B29L2031/32; B29L2031/324; B29L2031/709; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1033; Y10T156/1036; Y10T156/1038
Claims Analysis
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References Cited (Backward Citations)
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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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |