US2651150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incremental sanding apparatus for trimming book blocks
Assignee: DE FLOREZ COMPANY Inc
•
Filing: 1949-11-02
•
Granted: 1953-09-08
•
Expires: 1969-11-02
Abstract
No abstract record available.
Inventors
- 👤 Florez Peter De
- 👤 Francis J Cashin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:22
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US39315A
Cited
US369074A
Cited
US447860A
Cited
US876516A
Cited
US1124430A
Cited
US1380294A
Cited
US1927330A
Cited
US1954970A
Cited
US1935660A
Cited
US1988208A
Cited
US2064406A
Cited
US2088005A
Cited
US2227865A
Cited
US2318052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |