US2991208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated structures
Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-05-01
•
Granted: 1961-07-04
•
Expires: 1978-05-01
Abstract
No abstract record available.
Inventors
- 👤 Francis M Stieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:02
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914; Y10T428/23979; Y10T428/23993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF LAMINATING A VINYL CHLORIDE POLYMER FILM HAVING A FLOCKED SURFACE TO AN ETHYLENE POLYMER FILM WHICH COMPRISES THE SEQUENTIAL STEPS OF (1) ASSEMBLING SAID ETHYLENE POLYMER FILM IN TOUCHING RELATIONSHIP WITH THE FLOCKED SURFACE OF THE VINYL CHLORIDE POLYMER FILM, (2) PLACING SAID ASSEMBLY OF THE ETHYLENE POLYMER FILM AND THE VINYL CHLORIDE POLYMER FILM UNDER PRESSURE AND HEATING SAID ETHYLENE POLYMER FILM ABOVE ITS MELTING TEMPERATURE AND (3) COOLING SAID ETHYLENE POLYMER FILM BELOW ITS MELTING TEMPERATURE, SAID FLOCKED SURFACE OF THE VINYL CHLORIDE POLYMER FILM CONSISTING OF MULTITUDE OF SHORT INDIVIDUAL FIBERS PARTIALLY EMBEDDED IN THE SURFACE OF THE VINYL CHLORIDE POLYMER FILM.
Claim 2
Independent Claim
108 words
THE METHOD OF LAMINATING A VINYL CHLORIDE POLYMER FILM HAVING A FLOCKED SURFACE TO AN ETHYLENE POLYMER FILM WHICH COMPRISES THE SEQUENTIAL STEPS OF (1) ASSEMBLING SAID ETHYLENE POLYMER FILM IN TOUCHING RELATIONSHIP WITH THE FLOCKED SURFACE OF THE VINYL CHLORIDE POLYMER FILM, (2) PLACING SAID ASSEMBLY OF THE ETHYLENE POLYMER FILM AND THE VINYL CHLORIDE POLYMER FILM UNDER PRESSURE AND HEATING SAID ETHYLENE POLYMER FILM ABOVE ITS MELTING TEMPERATURE AND (3) COOLING SAID ETHYLENE POLYMER FILM BELOW ITS MELTING TEMPERATURE, SAID FLOCKED SURFACE OF THE VINYL CHLORIDE POLYMER FILM CONSISTING OF MULTITUDE OF SHORT INDIVIDUAL FIBERS PARTIALLY EMBEDDED IN THE SURFACE OF THE VINYL CHLORIDE POLYMER FILM.
References Cited (Backward Citations)
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Cited
US2534113A
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GB742710A
Cited
US2697058A
Cited
US2815308A
Cited
US2828237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |