Patent US3437625A successfully refreshed from Google Patents.
US3437625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for the consolidation of soils
Assignee: Progil SARL
•
Filing: 1965-10-22
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Granted: 1969-04-08
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Bernard Bonnel
- 👤 Jean Neel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:13
CPC Classifications
C; C09; C09K; C09K17/00; C04; C04B; C04B24/00; C04B24/24; C04B28/00; C04B28/24; C04B28/26; C09K17/40; C09K17/42; C09K17/46; C04B2111/00; C04B2111/00474; C04B2111/00732; Y; Y10; Y10S; Y10S507/00; Y10S507/926
Claims Analysis
Total Claims: 0
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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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |