Patent US2670090A successfully refreshed from Google Patents.
US2670090A
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US
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Automatic discharge apparatus for book rounding machines and the like
Assignee: CRAWLEY
•
Filing: 1950-08-15
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Granted: 1954-02-23
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Expires: 1970-08-15
Abstract
No abstract record available.
Inventors
- 👤 Crawley Arthur
- 👤 Jack N Binns
- 👤 Thomas E Dugle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:50
CPC Classifications
B; B42; B42C; B42C5/00; B42C5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US372128A
Cited
US1619507A
Cited
US1835579A
Cited
US1859956A
Cited
US2123363A
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US2224975A
Cited
US2275561A
Cited
US2413446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |