US2499486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film and composition therefor
Assignee: Visking Corp
•
Filing: 1948-05-22
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Granted: 1950-03-07
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Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 Edward D Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L91/00; C08L91/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
A SELF-SUSTAINING FILM OF IMPROVED CLARITY FORMED OF COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS OF POLYETHYLENE COMPOUNDED AT AT LEAST ITS MELTING POINT WITH 1/2 TO 3 PARTS OF DI-2 ETHYL HEXYL PHTHALATE AND 1/2 TO 3 PARTS OF CARNAUBA WAX, THE PROPORTIONS BEING BY WEIGHT.
References Cited (Backward Citations)
US2212155A
Cited
US2298846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |