US3472379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation process
Assignee: Uniroyal Chemical Co Inc
•
Filing: 1967-06-12
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Granted: 1969-10-14
•
Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Telemahos G Lainas
- 👤 Roderick R Gaetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:57
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B03; B03B; B03B4/00; B03B4/02; B29B2017/0213; B29B2017/0217; B29B2017/0227; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/12; B29L; B29L2030/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/52; Y02W30/62
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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |