Patent US2530474A successfully refreshed from Google Patents.
US2530474A
Expired / Lapsed
US
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Chair construction
Assignee: Individual
•
Filing: 1946-01-22
•
Granted: 1950-11-21
•
Expires: 1966-01-22
Abstract
No abstract record available.
Inventors
- 👤 Lutes Keene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:16
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/08; A47D1/002; A47D1/004; A47D1/10; A47D13/00; A47D13/10; A47D13/102; A47D13/105; A47K; A47K11/00; A47K11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US660951A
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US1021901A
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US1242074A
Cited
US1182670A
Cited
US1297718A
Cited
US1249721A
Cited
US1298053A
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US1639298A
Cited
US2155813A
Cited
US2254466A
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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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |