US830225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing gaseous mixtures.
Assignee: Carl Zeiss SMT GmbH
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Filing: 1905-07-15
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Granted: 1906-09-04
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Expires: 1925-07-15
Abstract
No abstract record available.
Inventors
- 👤 Fritz Haber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:25
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/41; G01N21/4133
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) | 1909-09-03 | 1910-03-05 | 1910-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-09-03 | 1914-03-05 | 1914-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-09-03 | 1918-03-05 | 1918-09-04 | $7700.00 | Window Closed / Lapsed |