US3577258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrapping material for moisture-containing article and method for making the same
Assignee: FMC Corp
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Filing: 1968-03-19
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Granted: 1971-05-04
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Expires: 1988-03-19
Abstract
Abstract A WRAPPING MATERIAL FOR ENCASING MOISTURE-CONTAINING PRODUCTS FORMED OF A NON-FIBROUS, HYDROPHILIC REGENERATED CELLULOSE SHEET HAVING ON AT LEAST ONE SIDE THEREOF A COATING OF MOISTUREPROOF MATERIAL, SUCH AS NITRO-CELLULOSE, POLYETHYLENE, VINYL COPOLYMERS, VINYLIDENE COPOLYMERS, WITH THE COATED SIDE HAVING A SELECTED AREA OF LOWER MOISTUREPROOF PROPERTIES THAN THE REMAINDER THEREOF WHEREBY THE PORTION OF THE REGENERATED CELLULOSE SHEET ADJACENT TO SUCH SELECTED AREA OF A COATED SIDE IS MORE RECEPTIVE TO MOISTURE AND THUS MORE FRANGIBLE THAN THE REMAINDER THEREOF. D R A W I N G
Inventors
- 👤 Joseph T Sincavage
- 👤 Carl R Pepmeier
- 👤 Louis E Stoffregen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:22
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/26; B29; B29C; B29C59/00; B29C59/007; B65D75/52; B65D75/58; B65D75/5827; B65D75/585; Y; Y10; Y10T; Y10T428/00; Y10T428/15; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31891; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31986
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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |