US2625394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet stacking machine
Assignee: Unisys Corp
•
Filing: 1949-04-19
•
Granted: 1953-01-13
•
Expires: 1969-04-19
Abstract
No abstract record available.
Inventors
- 👤 Lawrence S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:43
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/003; B65H29/02; B65H29/04; B65H29/041; B65H29/24; B65H29/245; B65H29/246; B65H2801/00; B65H2801/03; B65H2801/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533444A
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GB190919447A
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US1156903A
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US1540687A
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GB473337A
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GB513206A
Cited
US2226674A
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US2300863A
Cited
US2332863A
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US2381430A
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US2474997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |