Patent US3383399A successfully refreshed from Google Patents.
US3383399A
Expired / Lapsed
US
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Salts of boron-hydride anions and boron containing organic cations and method of their preparation
Assignee: Wyeth Holdings LLC
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Filing: 1964-03-09
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Granted: 1968-05-14
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Stafiej Stanley Frank
- 👤 Takacs Edward Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:09
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/022; C01; C01B; C01B6/00; C06; C06B; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 0
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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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |