US2608243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable seat and back units for upholstered furniture
Assignee: Individual
•
Filing: 1948-12-08
•
Granted: 1952-08-26
•
Expires: 1968-12-08
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Kostrowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:15
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1159477A
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US1203051A
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US2133747A
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US2266896A
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US2318583A
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US2469216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |