Patent US860051A successfully refreshed from Google Patents.
Patent US1775778A successfully refreshed from Google Patents.
Patent US3455649A successfully refreshed from Google Patents.
US3455649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel mixed alkali metal polyphosphates and methods of preparing them
Assignee: UCB SA
•
Filing: 1965-04-22
•
Granted: 1969-07-15
•
Expires: 1985-04-22
Abstract
No abstract record available.
Inventors
- 👤 Bernard Bigot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:27
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/45; C05; C05B; C05B13/00; C05B13/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |