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US829875A
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Apparatus for effecting chemical action in gases.
Assignee: ATMOSPHERIC PRODUCTS Co
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Filing: 1902-07-19
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Granted: 1906-08-28
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Expires: 1922-07-19
Abstract
No abstract record available.
Inventors
- 👤 Dimmitt Ross Lovejoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:27
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/126
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) | 1909-08-27 | 1910-02-26 | 1910-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-08-27 | 1914-02-26 | 1914-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-08-27 | 1918-02-26 | 1918-08-28 | $7700.00 | Window Closed / Lapsed |