Patent US1036473A successfully refreshed from Google Patents.
US1036473A
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Process of effecting exothermic gas reactions.
Assignee: General Chemical Corp
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Filing: 1906-09-18
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Granted: 1912-08-20
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Expires: 1926-09-18
Abstract
No abstract record available.
Inventors
- 👤 Georg Eschellmann
- 👤 Albert Harmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:49
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/69; C01B17/74; C01B17/76
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) | 1915-08-20 | 1916-02-19 | 1916-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-08-20 | 1920-02-19 | 1920-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-08-20 | 1924-02-19 | 1924-08-20 | $7700.00 | Window Closed / Lapsed |