US2810529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammermill rotor including paired
Assignee: —
•
Filing: —
•
Granted: 1957-10-22
•
Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:48
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/02; B02C13/04; B02C13/26; B02C13/28; B02C13/2804; B02C2013/2808
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE502981C
Cited
US1078650A
Cited
US1375862A
Cited
US1413652A
Cited
US1413611A
Cited
US1821912A
Cited
US2200374A
Cited
US2237510A
Cited
CH271569A
Cited
US2602597A
Cited
US2714995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |