Patent US3067011A successfully refreshed from Google Patents.
US3067011A
Expired / Lapsed
US
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Metal carbonyls
Assignee: Union Carbide Corp
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Filing: 1959-10-16
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Granted: 1962-12-04
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Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
- 👤 John E Wyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:34
CPC Classifications
C; C01; C01G; C01G1/00; C01G1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AS COMPOSITIONS OF MATTER THE DIMETAL DODECACARBONYLS REPRESENTED BY THE FORMULA M2(CO)12 WHEREIN M IS A METAL SELECTED FROM THE CLASS CONSISTING OF VANADIUM, NIOBIUM AND TANTALUM.
Claim 2
Dependent Claim
27 words
AS COMPOSITIONS OF MATTER THE DIMETAL DODECACARBONYLS REPRESENTED BY THE FORMULA M2(CO)12 WHEREIN M IS A METAL SELECTED FROM THE CLASS CONSISTING OF VANADIUM, NIOBIUM AND TANTALUM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |