US2841506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective composition
Assignee: JBS USA LLC
•
Filing: 1953-06-15
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Granted: 1958-07-01
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Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Dean E Rueckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:38
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/80; D21H19/82; D21H19/824; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/269; Y10T428/27; Y10T428/31504; Y10T428/31725; Y10T428/3175; Y10T428/31754; Y10T428/31768; Y10T428/31772; Y10T428/31775
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
THE METHOD OF MAKING A PAPER BASE COMPOSITION SUITABLE FOR USE AS A PROTECTIVE COVERING FOR FOOD PRODUCTS, WHICH COMPRISES, TREACTING A HIGHLY POROUS AND FLEXIBLE FIBROUS BASE MATERIAL WEIGHING 8 TO 10 POUNDS PER REAM WITH AN EDIBLE ADHESIVE OF THE FIBERS AND REDUCES THE ABSORPTION PROPERTIES OF THE FIBERS AND REDUCES THE SIZE AND NUMBER OF INTERSTICES NORMALLY SAID ADHESIVE-TREATED MATERIAL, AND THEREAFTER SUPPLYING SAID ADHESIVE-TREATED BASE MATERIAL WITH A POLYETHYLENE COATING OF APPROXIMATELY 0.5 TO 2.0 MILS THICKNESS WHEREBY THE REMAINING INTERSTICES ARE RESTRICTED WHILE THE INHERENT FLEXIBILITY AND OTHER DESIRABLE PROPERTIES OF SAID BASE MATERIAL ARE MAINTAINED.
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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) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |