Patent US1851595A successfully refreshed from Google Patents.
US1851595A
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US
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Filing device
Assignee: Unisys Corp
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Filing: 1928-11-12
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Granted: 1932-03-29
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Expires: 1948-11-12
Abstract
No abstract record available.
Inventors
- 👤 Benjamin G Rand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:05
CPC Classifications
B; B42; B42F; B42F15/00; B42F15/007; B42F15/0082; B42F15/0094; A; A47; A47B; A47B88/00; A47B88/90; A47B88/919; A47B88/931; A47B88/969; A47B88/975; A47B88/988
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-03-29 | 1935-09-28 | 1936-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-29 | 1939-09-28 | 1940-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-29 | 1943-09-28 | 1944-03-29 | $7700.00 | Window Closed / Lapsed |