US906229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of mirroring glass or like surfaces.
Assignee: Chemische Fabrik Von Heyden AG
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Filing: 1908-07-14
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Granted: 1908-12-08
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Expires: 1928-07-14
Abstract
No abstract record available.
Inventors
- 👤 Carl Hermann Von Hoessle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:47
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10
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) | 1911-12-08 | 1912-06-08 | 1912-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-12-08 | 1916-06-08 | 1916-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-12-08 | 1920-06-08 | 1920-12-08 | $7700.00 | Window Closed / Lapsed |