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Patent US3458392A successfully refreshed from Google Patents.
US3458392A
Expired / Lapsed
US
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Tear seal bonded polystyrene-saran laminate
Assignee: Atlantic Richfield Co
•
Filing: 1965-03-18
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Granted: 1969-07-29
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Charles J Kremer
- 👤 Walter E F Lewis
- 👤 Aaron Robert Gilden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:15
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2878; Y10T428/2887; Y10T428/31504; Y10T428/31844; Y10T428/31855; Y10T428/31909; Y10T428/31924; Y10T428/31928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB375320A
Cited
US2771093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |