US2708036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminuting device
Assignee: Chicago Pump Co
•
Filing: 1950-04-28
•
Granted: 1955-05-10
•
Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
- 👤 Albert B Lauwasser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:59
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/0084; B02C18/0092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2358655A
Cited
US1982266A
Cited
US2282194A
Cited
US2305935A
Cited
US2484079A
Cited
US2517528A
Cited
US2672985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |