US1808659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible seat or chair
Assignee: S Karpen and Bros
•
Filing: 1928-12-10
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Granted: 1931-06-02
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Expires: 1948-12-10
Abstract
No abstract record available.
Inventors
- 👤 Charles R Hultgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:32
CPC Classifications
B; B61; B61D; B61D33/00; B61D33/0057; B61D33/0078; B61D33/0085; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/14; B60N2/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-06-01 | 1934-12-01 | 1935-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-06-01 | 1938-12-01 | 1939-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-06-01 | 1942-12-01 | 1943-06-02 | $7700.00 | Window Closed / Lapsed |