US2566800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center extension table
Assignee: Individual
•
Filing: 1948-06-09
•
Granted: 1951-09-04
•
Expires: 1968-06-09
Abstract
No abstract record available.
Inventors
- 👤 Hutcherson Archie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:17
CPC Classifications
A; A47; A47B; A47B11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1307808A
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US791798A
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US907649A
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US984479A
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US925427A
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US1173646A
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US1371550A
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US1363138A
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US1647224A
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US1950021A
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US2301563A
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US2264017A
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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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |