US2479167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filing device
Assignee: Individual
•
Filing: 1946-12-12
•
Granted: 1949-08-16
•
Expires: 1966-12-12
Abstract
No abstract record available.
Inventors
- 👤 Abraham S Karper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:30
CPC Classifications
A; A47; A47B; A47B63/00; A47B63/06; A47B63/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US317253A
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US2371109A
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US1552290A
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US1717705A
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US1974272A
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US2021417A
Cited
US2226519A
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US2334785A
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US2441717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |