US2982481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crushing apparatus
Assignee: Osborne Associates
•
Filing: 1957-02-04
•
Granted: 1961-05-02
•
Expires: 1977-02-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond G Osborne
- 👤 Sr Robert O Boykin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:48
CPC Classifications
B; B02; B02C; B02C1/00; B02C1/02; B02C1/025; Y; Y10; Y10S; Y10S100/00; Y10S100/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US509730A
Cited
US574273A
Cited
US667371A
Cited
US674057A
Cited
US1010164A
Cited
US1519657A
Cited
US1730906A
Cited
US1708185A
Cited
US1852435A
Cited
US2070528A
Cited
US2082498A
Cited
DE728437C
Cited
US2302723A
Cited
DE937701C
Cited
US2588180A
Cited
US2620629A
Cited
US2667309A
Cited
US2636690A
Cited
US2738933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |