Patent US2037671A successfully refreshed from Google Patents.
US3418346A
Expired / Lapsed
US
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Complexes of decaborane, selected metals, and phosphines, arsines, or sulfides
Assignee: EIDP Inc
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Filing: 1966-10-11
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Granted: 1968-12-24
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Expires: 1986-10-11
Abstract
No abstract record available.
Inventors
- 👤 George W Parshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:40
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/155; C; C07; C07F; C07F15/00; C07F15/0006; C07F15/006; C07F15/0066; C07F15/0086; C07F15/0093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOSITION REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
5 words
COMPOSITION REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2993751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |