Patent US3575781A successfully refreshed from Google Patents.
US3575781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic film wrapping material
Assignee: Stauffer Hoechst Polymer Corp
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Filing: 1969-05-16
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Granted: 1971-04-20
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Expires: 1989-05-16
Abstract
Abstract TRANSPARENT FILM WRAPPING MATERIAL HAVING HEMISPHERICAL PROTUBERANCES SPACED THEREON IS DESCRIBED HEREIN. EACH OF THE PROTUBERANCES IS PROVIDED WITH A PLURALITY OF FACETS THEREON TO PROVIDE RIDGES THEREBETWEEN THAT WILL DISPERSE A CRUSHING FORCE IN SEVERAL DIFFERENT RESULTANT DIRECTIONS. THUS, THE WRAPPING MATERIAL ABSORBS THE SHOCK AND MAINTAINS THE ITEM WRAPPED THEREIN IN A SAFE CONDITION.
Inventors
- 👤 Joseph M Pezely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:08
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/03; Y; Y10; Y10S; Y10S493/00; Y10S493/967; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24678; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 0
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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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |