US2306891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair base
Assignee: WARREN MCARTHUR Corp
•
Filing: 1940-08-21
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Granted: 1942-12-29
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Expires: 1960-08-21
Abstract
No abstract record available.
Inventors
- 👤 Mcarthur Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:17
CPC Classifications
B; B61; B61D; B61D33/00; B61D33/0057; B61D33/0078; B61D33/0085; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/14; B60N2/146
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) | 1945-12-28 | 1946-06-29 | 1946-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-28 | 1950-06-29 | 1950-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-28 | 1954-06-29 | 1954-12-29 | $7700.00 | Window Closed / Lapsed |