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Patent US2514199A successfully refreshed from Google Patents.
US2514199A
Expired / Lapsed
US
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Stannous catecholate
Assignee: Bridgestone Firestone Inc
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Filing: 1947-08-06
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Granted: 1950-07-04
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Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Jr George E P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:04
CPC Classifications
C; C07; C07C; C07C39/00; C07C39/235; C07C37/00; C07C37/64; C07C37/66; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2310449A
Cited
US2445727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |