Patent US3790067A successfully refreshed from Google Patents.
US3790067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: Individual
•
Filing: 1970-12-04
•
Granted: 1974-02-05
•
Expires: 1990-12-04
Abstract
Abstract A container having an inner layer of water-insoluble polymeric material and an outer layer of a water soluble polymeric material. The outer layer comprises the load-bearing member and the inner layer is sufficiently thin to be shredded under normal atmospheric forces or by the weight of material in the container.
Inventors
- 👤 S Scheier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:03
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/02; Y; Y10; Y10S; Y10S220/00; Y10S220/30
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
12 words
The container of claim 1 wherein said outer layer comprises polyvinyl alcohol.
Claim 2
Dependent Claim
17 words
The container of claim 1 wherein said inner layer comprises a copolymer of vinylidene chloride and acrylonitrile.
Claim 3
Dependent Claim
17 words
The container of claim 2 wherein said inner layer comprises a copolymer of vinylidene chloride and acrylonitrile.
Claim 4
Dependent Claim
13 words
The container of claim 1 wherein the inner layer comprises low density polyethylene.
Claim 5
Dependent Claim
13 words
The container of claim 2 wherein the inner layer comprises low density polyethylene.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |