US3413199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for measurement of residual chlorine or the like
Assignee: Fischer and Porter Co
•
Filing: 1965-09-29
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Granted: 1968-11-26
•
Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr James J Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:43
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404; G01N27/4045; Y; Y10; Y10T; Y10T436/00; Y10T436/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2617715A
Cited
US2585811A
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US2851655A
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US3043764A
Cited
US3234117A
Cited
US3296113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |