US3461147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-zinc compounds and processes of making same
Assignee: International Lead Zinc Research Organization Inc
•
Filing: 1966-01-12
•
Granted: 1969-08-12
•
Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jan G Noltes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:20
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07C; C07C29/00; C07C29/68; C07C29/70; C07C31/00; C07C31/28; C07F3/00; C07F3/003; C07F3/06; C07F9/66; C07F9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2046876A
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US3062755A
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US3318932A
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US3313741A
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US3210278A
Cited
US3305330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |