Patent US1688415A successfully refreshed from Google Patents.
US1688415A
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US
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Adjustable stool
Assignee: Seng Co
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Filing: 1925-02-06
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Granted: 1928-10-23
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Expires: 1945-02-06
Abstract
Abstract 244,008. Brettell, F. G., (Seng Co.). June 30, 1925. Revolving seats; adjustments.-In a rotatable and adjustable stool of the kind in which the stem 14 can slide within a swinging bracket, the arm 9 is provided with supporting hooks 12, 13 to engage spaced projections, such as rivets 20, on the sleeve 19. The seat proper 24 may be vertically adjusted by means of the threaded spindle 23, and a spring 22, placed between the sleeve 19 and the threaded collar 18, raises the seat from the ground when unoccupied.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:19
CPC Classifications
A; A47; A47C; A47C9/00; A47C9/02; A47C9/022; A47C9/06
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) | 1931-10-23 | 1932-04-23 | 1932-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-23 | 1936-04-23 | 1936-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-23 | 1940-04-23 | 1940-10-23 | $7700.00 | Window Closed / Lapsed |