Patent US274036A successfully refreshed from Google Patents.
Patent US3258787A successfully refreshed from Google Patents.
US3258787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sofa bed
Assignee: EMMONS
•
Filing: 1964-12-11
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Granted: 1966-07-05
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Laurence B Emmons
- 👤 Tomlinson Gertrude Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:38
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A SOFA BED FRAME COMPRISING: A BASE FRAME, A BACK FRAME PIVOTALLY MOUNTED TO SAID BASE FRAME ALONG A FIRST AXIS, AN EXTENSION FRAME PIVOTALLY MOUNTED TO SAID BASE FRAME ALONG A SECOND AXIS PARALLEL TO AND DISPLACED FROM SAID FIRST AXIS, SAID EXTENSION FRAME BEING CONSTRAINED WITHIN SAID BACK FRAME TO HAVE FREEDOM OF MOVEMENT RELATIVE TO SAID BACK FRAME IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID SECOND AXIS AND ALONG A PLANE SUBSTANTIALLY PARALLEL TO THE MAIN PLANE OF SAID BACK FRAME, WHEREBY THE ROTATION OF SAID BACK FRAME RELATIVE TO SAID BASE FRAME WILL CAUSE SAID EXTENSION FRAME TO ROTATE RELATIVE TO SAID BASE FRAME ABOUT SAID SECOND AXIS THEREBY FORCING SAID EXTENSION FRAME TO TRANSLATE RELATIVE TO SAID BACK FRAME.
Claim 2
Dependent Claim
124 words
A SOFA BED FRAME COMPRISING: A BASE FRAME, A BACK FRAME PIVOTALLY MOUNTED TO SAID BASE FRAME ALONG A FIRST AXIS, AN EXTENSION FRAME PIVOTALLY MOUNTED TO SAID BASE FRAME ALONG A SECOND AXIS PARALLEL TO AND DISPLACED FROM SAID FIRST AXIS, SAID EXTENSION FRAME BEING CONSTRAINED WITHIN SAID BACK FRAME TO HAVE FREEDOM OF MOVEMENT RELATIVE TO SAID BACK FRAME IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID SECOND AXIS AND ALONG A PLANE SUBSTANTIALLY PARALLEL TO THE MAIN PLANE OF SAID BACK FRAME, WHEREBY THE ROTATION OF SAID BACK FRAME RELATIVE TO SAID BASE FRAME WILL CAUSE SAID EXTENSION FRAME TO ROTATE RELATIVE TO SAID BASE FRAME ABOUT SAID SECOND AXIS THEREBY FORCING SAID EXTENSION FRAME TO TRANSLATE RELATIVE TO SAID BACK FRAME.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |