US3419139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for analyzing fresh concrete
Assignee: SPINDEL- MOTOREN- und MASCHINENFABRIK AG
•
Filing: 1965-04-28
•
Granted: 1968-12-31
•
Expires: 1985-04-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph Agthe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:17
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B01; B01D; B01D11/00; B01D11/02; B01D11/0269; B01D11/0273; B04B1/00; B04B1/10; B04B15/00; B04B15/12; B04B5/0442; C; C10; C10C; C10C3/00; C10C3/007; C10G; C10G1/00; C10G1/04; G; G01; G01N; G01N15/00; G01N15/02; G01N15/0272; G01N25/00; G01N25/14; G01N33/00; G01N33/38; G01N33/383; G01N33/42; G01N5/00; G01N5/04; G01N1/00; G01N1/28; G01N1/40; G01N1/4077
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2647686A
Cited
US2849113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |