Patent US3376244A successfully refreshed from Google Patents.
US3376244A
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US
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Polypropylene wax film
Assignee: Chevron USA Inc
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Filing: 1964-10-30
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Granted: 1968-04-02
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Victor A Rundle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:11
CPC Classifications
B; B29; B29D; B29D7/00; B29D7/01; B29C; B29C55/00; B29C55/005; B32; B32B; B32B27/00; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; D21H19/20; D21H19/22; B29C35/00; B29C35/16; B29K; B29K2023/00; B29K2023/10; B29K2023/12; B29K2091/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA620375A
Cited
GB851727A
Cited
GB849389A
Cited
US3210305A
Cited
US3243396A
Cited
US3217073A
Cited
US3258319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |