US2432245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for the seat posts of chairs
Assignee: Individual
•
Filing: 1945-05-17
•
Granted: 1947-12-09
•
Expires: 1965-05-17
Abstract
No abstract record available.
Inventors
- 👤 Lundquist Carl Ernst Edvard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:45
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US836303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |