US3539439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin laminates
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1964-09-21
•
Granted: 1970-11-10
•
Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Gene C Calderwood
- 👤 Dennis Poller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:03
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C08J2323/00; C08J2323/02; C08J2427/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24959; Y10T428/24967; Y10T428/24975; Y10T428/31504; Y10T428/31786; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235782A
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US2627088A
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US3236675A
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US3223761A
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US3322614A
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US3287446A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |