US3032573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-carbonyl-organophosphines
Assignee: Wyeth Holdings LLC
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Filing: 1958-11-17
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Granted: 1962-05-01
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Expires: 1978-11-17
Abstract
No abstract record available.
Inventors
- 👤 Lewis S Meriwether
- 👤 Marilyn L Fiene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:15
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/20; B01J31/18; B01J31/1845; B01J31/24; B01J31/2404; B01J31/2409; C; C07; C07F; C07F15/00; C07F15/04; C07F15/045; C08; C08F; C08F10/00; B01J2231/00; B01J2231/10; B01J2231/12; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
CHEMICAL COMPOUNDS REPRESENTED BY THE GENERAL FORMULAE SELECTED FROM THE GROUP CONSISTING OF
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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |