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US3446580A
Expired / Lapsed
US
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Non-caking sodium tripolyphosphate
Assignee: FMC Corp
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Filing: 1967-11-08
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Granted: 1969-05-27
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Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 Robert J Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:30
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/38; C01B25/40; C01B25/41; C01B25/418; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/062; C11D3/395; C11D3/3958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3338671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |