Patent US641177A successfully refreshed from Google Patents.
Patent US3124389A successfully refreshed from Google Patents.
US3124389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
mi kan
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A CHAIR CONSTRUCTION COMPRISING A BACK PORTION; A SEAT PORTION HAVING A LOW POINT FORWARDLY OF SAID BACK PORTION; A THIGH SUPPORTING PORTION; AND SUPPORT MEANS FOR EACH OF SAID PORTIONS, SAID BACK PORTION BEING INCLINED TO THE VERTICAL AND HAVING A SUBSTANTIALLY PLANAR BODY SUPPORTING SECTION MERGING AT ITS LOWER END WITH SAID SEAT PORTION, SAID SEAT PORTION BEING CURVED UPWARDLY FROM SAID LOW POINT AND MERGING WITH ONE END OF SAID THIGH SUPPORTING PORTION, THE JUNCTURE OF SAID SEAT PORTION AND SAID THIGH SUPPORTING PORTION BEING LOCATED AT A ZONE WHICH IS ELEVATED RELATIVELY TO THE LOW POINT OF SAID SEAT PORTION AND TO SAID LOWER END OF SAID BACK PORTION, SAID THIGH SUPPORTING PORTION BEING SUBSTANTIALLY PLANAR FROM ITS JUNCTURE WITH SAID SEAT PORTION.
Claim 2
Dependent Claim
127 words
A CHAIR CONSTRUCTION COMPRISING A BACK PORTION; A SEAT PORTION HAVING A LOW POINT FORWARDLY OF SAID BACK PORTION; A THIGH SUPPORTING PORTION; AND SUPPORT MEANS FOR EACH OF SAID PORTIONS, SAID BACK PORTION BEING INCLINED TO THE VERTICAL AND HAVING A SUBSTANTIALLY PLANAR BODY SUPPORTING SECTION MERGING AT ITS LOWER END WITH SAID SEAT PORTION, SAID SEAT PORTION BEING CURVED UPWARDLY FROM SAID LOW POINT AND MERGING WITH ONE END OF SAID THIGH SUPPORTING PORTION, THE JUNCTURE OF SAID SEAT PORTION AND SAID THIGH SUPPORTING PORTION BEING LOCATED AT A ZONE WHICH IS ELEVATED RELATIVELY TO THE LOW POINT OF SAID SEAT PORTION AND TO SAID LOWER END OF SAID BACK PORTION, SAID THIGH SUPPORTING PORTION BEING SUBSTANTIALLY PLANAR FROM ITS JUNCTURE WITH SAID SEAT PORTION.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |