US3340089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrapping material having a wax-type coating with spaced protruding particles
Assignee: BRH Corp
•
Filing: 1963-11-15
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Granted: 1967-09-05
•
Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Clifford P Bougie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:48
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/18; B65D81/20; B65D81/2007; B65D81/2023; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24413; Y10T428/25; Y10T428/258; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A WRAPPING MATERIAL OF THE TYPE INCLUDING A SUBSTRATE OF FLEXIBLE PACKAGING MATERIAL AND A WAX-TYPE COATING ON AT LEAST ONE SURFACE OF THE SUBSTRATE, SAID WAX-TYPE COATING COMPRISING AT LEAST ABOUT 40% PETROLEUM WAX AND BEING HEAT SEALABLE, THE IMPROVEMENT CONSISTING OF A PLURALITY OF PARTICLES ATTACHED TO THE WAX-TYPE COATING, SAID PARTICLES COMPRISING HARD, CRYSTALLINE MATERIAL WITH A MELTING POINT ABOVE THE HEAT SEALING TEMPERATURE OF THE WAXTYPE COATING SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE, CALCIUM CHLORIDE AND POTASSIUM CHLORIDE; AND SAID PARTICLES BEING ARRANGED TO PROJECT FROM THE WAX-TYPE COATING AND SPACED TO EXPOSE SAID COATING BETWEEN THE PARTICLES SO THAT THE COATING CAN BE HEAT SEALED.
Claim 2
Dependent Claim
113 words
IN A WRAPPING MATERIAL OF THE TYPE INCLUDING A SUBSTRATE OF FLEXIBLE PACKAGING MATERIAL AND A WAX-TYPE COATING ON AT LEAST ONE SURFACE OF THE SUBSTRATE, SAID WAX-TYPE COATING COMPRISING AT LEAST ABOUT 40% PETROLEUM WAX AND BEING HEAT SEALABLE, THE IMPROVEMENT CONSISTING OF A PLURALITY OF PARTICLES ATTACHED TO THE WAX-TYPE COATING, SAID PARTICLES COMPRISING HARD, CRYSTALLINE MATERIAL WITH A MELTING POINT ABOVE THE HEAT SEALING TEMPERATURE OF THE WAXTYPE COATING SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE, CALCIUM CHLORIDE AND POTASSIUM CHLORIDE; AND SAID PARTICLES BEING ARRANGED TO PROJECT FROM THE WAX-TYPE COATING AND SPACED TO EXPOSE SAID COATING BETWEEN THE PARTICLES SO THAT THE COATING CAN BE HEAT SEALED.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |