US3138402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid chair
Assignee: American Metal Products Co
•
Filing: 1961-11-01
•
Granted: 1964-06-23
•
Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Russell G Heyl
- 👤 Raymond C Posh
- 👤 Jr Robert G Logie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:14
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/14; Y; Y10; Y10S; Y10S297/00; Y10S297/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN A CHAIR, A CHAIR FRAME HAVING A SEAT, A CUSHION ON SAID SEAT, SAID CUSHION BEING DIVIDED INTO A FRONT SECTION AND A REAR SECTION, AND MEANS FOR PIVOTING SAID FRONT SECTION FORWARDLY AS SAID REAR SECTION IS MOVED UPWARDLY AND FORWARDLY ABOVE SAID FRONT SECTION.
Claim 2
Dependent Claim
47 words
IN A CHAIR, A CHAIR FRAME HAVING A SEAT, A CUSHION ON SAID SEAT, SAID CUSHION BEING DIVIDED INTO A FRONT SECTION AND A REAR SECTION, AND MEANS FOR PIVOTING SAID FRONT SECTION FORWARDLY AS SAID REAR SECTION IS MOVED UPWARDLY AND FORWARDLY ABOVE SAID FRONT SECTION.
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |