Patent US3007689A successfully refreshed from Google Patents.
US957041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vat dye.
Assignee: Bayer AG
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Filing: 1910-03-18
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Granted: 1910-05-03
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Expires: 1930-03-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph Deinet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:39
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/36; C09B1/42
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) | 1913-05-02 | 1913-11-01 | 1914-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-05-02 | 1917-11-01 | 1918-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-05-02 | 1921-11-01 | 1922-05-03 | $7700.00 | Window Closed / Lapsed |