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Patent US2591172A successfully refreshed from Google Patents.
US2591172A
Expired / Lapsed
US
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Cabinet
Assignee: JAMESTOWN STEEL PARTITIONS Inc
•
Filing: 1947-04-15
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Granted: 1952-04-01
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Expires: 1967-04-15
Abstract
No abstract record available.
Inventors
- 👤 Lundine Gustav Elving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:43
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/02; A47B47/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US646191A
Cited
US1729268A
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US2014554A
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US2222258A
Cited
US2424217A
Cited
US2443515A
Cited
US2486548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |