Patent US1862049A successfully refreshed from Google Patents.
US1862049A
Expired / Lapsed
US
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Di-iodo-hydroxy mercury fluorescein
Assignee: PYRO PACK PRODUCTS CO
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Filing: 1925-04-09
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Granted: 1932-06-07
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Expires: 1945-04-09
Abstract
No abstract record available.
Inventors
- 👤 Howard M Chiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:54
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/10; C07F3/14
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) | 1935-06-07 | 1935-12-07 | 1936-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-07 | 1939-12-07 | 1940-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-07 | 1943-12-07 | 1944-06-07 | $7700.00 | Window Closed / Lapsed |