US3142599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making laminated cushioning material
Assignee: Sealed Air Corp
•
Filing: 1959-11-27
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Granted: 1964-07-28
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Marc A Chavannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/222; B22; B22D; B22D39/00; B22D39/02; B22D39/023; B29C43/30; B29C43/305; B29C51/00; B29C51/18; B29C51/20; B29C51/22; B29C51/225; B32; B32B; B32B27/00; B65; B65D; B65D65/00; B65D65/38; B65D65/44; B29C43/32; B29C43/44; B29C43/46; B29C2043/461; B29C2043/463; B29C43/48; B29C2043/486; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29C48/13; E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/3405; E04C2002/3411; E04C2002/3416; E04C2002/3422; E04C2002/3427; E04C2002/3433; E04C2002/3472; E04C2002/3494; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661; Y10T428/24669; Y10T428/24678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE METHOD FOR CONTINUOUS FABRICATION OF CUSHIONING MATERIAL COMPRISING THE STEPS OF HEATING A PLASTIC FILM HAVING THERMOPLASTIC CHARACTERISTICS TO AN EMBOSSING TEMPERATURE ABOVE THE SOFTENING TEMPERATURE BUT BELOW THE MELTING POINT THEREOF, FEEDING SAID HEATED FILM ONTO A FEMALE MOLDING ROLLER HAVING DISCRETE DEPRESSIONS DISTRIBUTED THROUGHOUT THE SURFACE THEREOF WITH THE PERIPHERAL EDGES OF THE DEPRESSIONS BEING SPACED ONE FROM THE OTHERS, FORMING SAID FILM INTO SAID DEPRESSIONS TO PRODUCE EMBOSSMENTS EXTENDING FROM ONE SURFACE THEREOF, HEATING AT LEAST ONE SURFACE OF A SECOND FILM HAVING
Claim 2
Independent Claim
87 words
THE METHOD FOR CONTINUOUS FABRICATION OF CUSHIONING MATERIAL COMPRISING THE STEPS OF HEATING A PLASTIC FILM HAVING THERMOPLASTIC CHARACTERISTICS TO AN EMBOSSING TEMPERATURE ABOVE THE SOFTENING TEMPERATURE BUT BELOW THE MELTING POINT THEREOF, FEEDING SAID HEATED FILM ONTO A FEMALE MOLDING ROLLER HAVING DISCRETE DEPRESSIONS DISTRIBUTED THROUGHOUT THE SURFACE THEREOF WITH THE PERIPHERAL EDGES OF THE DEPRESSIONS BEING SPACED ONE FROM THE OTHERS, FORMING SAID FILM INTO SAID DEPRESSIONS TO PRODUCE EMBOSSMENTS EXTENDING FROM ONE SURFACE THEREOF, HEATING AT LEAST ONE SURFACE OF A SECOND FILM HAVING
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |