US2680571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic release means for gyratory crushers
Assignee: Individual
•
Filing: 1947-01-28
•
Granted: 1954-06-08
•
Expires: 1967-01-28
Abstract
No abstract record available.
Inventors
- 👤 Bjarme Johan Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:21
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; B02C2/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1748484A
Cited
US1868338A
Cited
US1852435A
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US2021895A
Cited
US2107532A
Cited
US2359987A
Cited
US2377307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |