US2652272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat post construction for chairs
Assignee: POSTURE RES INST Inc
•
Filing: 1952-01-08
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Granted: 1953-09-15
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Expires: 1972-01-08
Abstract
No abstract record available.
Inventors
- 👤 Glenn D Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:46
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/26; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32467; Y10T403/32475; Y10T403/32491; Y10T403/32975
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |