Patent US2945964A successfully refreshed from Google Patents.
Patent US3481804A successfully refreshed from Google Patents.
US3481804A
Expired / Lapsed
US
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Process for forming a polyethylene/polypropylene laminate
Assignee: EIDP Inc
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Filing: 1965-06-22
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Granted: 1969-12-02
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 John D Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:29
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/08; B05D7/00; B05D7/02; B05D7/04; B29; B29C; B29C59/00; B29C59/08; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/052; B29K; B29K2023/00; B29K2023/10; B29K2023/12; B29K2995/00; B29K2995/0037; B29K2995/005; B29K2995/0053; C08J2323/00; C08J2323/02; C08J2323/10; C08J2323/12; C08J2423/00; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2795820A
Cited
US3068516A
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US3187982A
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US3262808A
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US3265552A
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US3255034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |