Patent US4597987A successfully refreshed from Google Patents.
Patent US2734450A successfully refreshed from Google Patents.
US2734450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compacting press
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1483126A
Cited
US1711378A
Cited
US1746419A
Cited
US2092092A
Cited
US2280849A
Cited
US2387190A
Cited
US2380362A
Cited
US2477854A
Cited
US2560906A
Cited
US2579176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |