Patent US3402062A successfully refreshed from Google Patents.
US3402062A
Expired / Lapsed
US
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Curl-resistant composite packaging sheet
Assignee: FMC Corp
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Filing: 1963-10-08
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Granted: 1968-09-17
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Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Mohan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:07
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065; C08J7/0427; C08J7/052; C08J2301/00; C08J2301/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A COMPOSITE SHEET COMPRISING A BASE SHEET OF A NONFIBROUS, HYDROPHILIC CELLULOSIC MATERIAL, A RESINOUS MOISTUREPROOF COATING ON ONLY ONE SIDE OF SAID BASE SHEET, AND A LAYER CONSISTING OF A C12-C18 SATURATED, STRAIGHT CHAIN, ALIPHATIC ALCOHOL UNIFORMLY COVERING THE OTHER SIDE OF SAID BASE SHEET IN AN AMOUNT SUFFICIENT TO INHIBIT THE CURL TENDENCY CHARACTERISTICS OF THE SHEET.
Claim 2
Dependent Claim
59 words
A COMPOSITE SHEET COMPRISING A BASE SHEET OF A NONFIBROUS, HYDROPHILIC CELLULOSIC MATERIAL, A RESINOUS MOISTUREPROOF COATING ON ONLY ONE SIDE OF SAID BASE SHEET, AND A LAYER CONSISTING OF A C12-C18 SATURATED, STRAIGHT CHAIN, ALIPHATIC ALCOHOL UNIFORMLY COVERING THE OTHER SIDE OF SAID BASE SHEET IN AN AMOUNT SUFFICIENT TO INHIBIT THE CURL TENDENCY CHARACTERISTICS OF THE SHEET.
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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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |