Patent US3549922A successfully refreshed from Google Patents.
Patent US4665654A successfully refreshed from Google Patents.
Patent US2128799A successfully refreshed from Google Patents.
Patent US3722649A successfully refreshed from Google Patents.
Patent US4773305A successfully refreshed from Google Patents.
Patent US3522491A successfully refreshed from Google Patents.
Patent US2350679A successfully refreshed from Google Patents.
US2350679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair and like supporting structure
Assignee: ELLIOT EQUIPMENT Ltd
•
Filing: 1942-02-17
•
Granted: 1944-06-06
•
Expires: 1962-02-17
Abstract
No abstract record available.
Inventors
- 👤 Hann Kenneth Graeme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:02
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/14; A47C1/146; A47C15/00; A47C15/004; A47C15/006; A47C4/00; A47C4/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1947-06-06 | 1947-12-06 | 1948-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-06 | 1951-12-06 | 1952-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-06 | 1955-12-06 | 1956-06-06 | $7700.00 | Window Closed / Lapsed |