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US2452216A
Expired / Lapsed
US
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Drafting table
Assignee: Individual
•
Filing: 1946-02-25
•
Granted: 1948-10-26
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Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Yarber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:23
CPC Classifications
A; A47; A47B; A47B27/00; A47B27/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1138265A
Cited
US1184594A
Cited
US1676746A
Cited
US1847398A
Cited
US1829918A
Cited
US2404949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |