US2476258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for vertically adjustable seats
Assignee: Individual
•
Filing: 1944-04-29
•
Granted: 1949-07-12
•
Expires: 1964-04-29
Abstract
No abstract record available.
Inventors
- 👤 Lundquist Carl Ernst Edvard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:11
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/24; A47C3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1101402A
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US1453650A
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US1864814A
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US2305152A
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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) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |