US3534465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for lining vessels
Assignee: Dow Chemical Co
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Filing: 1968-02-09
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Granted: 1970-10-20
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Expires: 1988-02-09
Abstract
No abstract record available.
Inventors
- 👤 Paul Meeske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:23
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/0065; B29C63/0069; B29C63/26; B29C63/34; B29C2063/348; B29C2793/00; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2027/00; B29K2027/06; B29L; B29L2009/00; B29L2009/003; B29L2023/00; B29L2023/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49906; Y10T29/49908; Y10T29/49925; Y10T29/49927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |