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US2591271A
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Assignee: Individual
•
Filing: 1949-01-26
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Granted: 1952-04-01
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Expires: 1969-01-26
Abstract
No abstract record available.
Inventors
- 👤 Levereth Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
A; A45; A45D; A45D33/00; A45D33/006; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1688042A
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US821210A
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GB190620004A
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US1611494A
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US1653293A
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US1753269A
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US1718481A
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AT124581B
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US1816642A
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US2109928A
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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 |