US3476845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of expanded cellular products
Assignee: Tenneco Eastern Realty Inc
•
Filing: 1965-11-15
•
Granted: 1969-11-04
•
Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Fred Buff
- 👤 Marcus French
- 👤 Warren Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:11
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/3415; B29C44/3426; B29C33/00; B29C33/34; B29C33/36; B29C44/20; B29C44/28; B29C44/32; B29C44/322; B29C44/324; Y; Y10; Y10S; Y10S264/00; Y10S264/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3152361A
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US3249486A
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US3296658A
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US3325573A
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US3281894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |