US3264382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making foam backrests for vehicle reclining chairs
Assignee: American Seating Co
•
Filing: 1963-09-18
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Granted: 1966-08-02
•
Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Robert C Angell
- 👤 Stephen B Kolk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:02
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/04; B29C44/0461; B29C33/00; B29C33/12; B29C33/14; B29C33/30; B29L; B29L2031/00; B29L2031/58; B29L2031/771
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A METHOD FOR FORMING A CHAIR FOAM BACKREST HAVING AN OUTWARDLY-CONTOURED HEADREST OF GREATER RESILIENCE THAN THE BODY OF THE BACKREST, THE STEPS OF PREFORMING A RECTANGULAR RESILIENT THICK FOAM HEADREST CUSHION OF LOW-DENSITY TYPE FOAMABLE PLASTIC MATERIAL WITH THE BUTT ENDS OF THE CUSHION TO BEND IT INTO A CURVED DIRECTION, FLEXING SAID CUSHION TO BEND IT INTO A CURVED BODY WITH SAID BUTT ENDS FACING SUBSTANTIALLY IN THE SAME DIRECTION, SECURING SAID BODY WHILE IN SAID FLEXED AND CURVED POSITION WITHIN A MOLD CONFORMING GENERALLY TO THE SHAPE OF THE FINISHED BACKREST, INTRODUCING A HIGHDENSITY TYPE FOAMABLE PLASTIC MATERIAL INTO THE MOLD TO
Claim 2
Dependent Claim
106 words
IN A METHOD FOR FORMING A CHAIR FOAM BACKREST HAVING AN OUTWARDLY-CONTOURED HEADREST OF GREATER RESILIENCE THAN THE BODY OF THE BACKREST, THE STEPS OF PREFORMING A RECTANGULAR RESILIENT THICK FOAM HEADREST CUSHION OF LOW-DENSITY TYPE FOAMABLE PLASTIC MATERIAL WITH THE BUTT ENDS OF THE CUSHION TO BEND IT INTO A CURVED DIRECTION, FLEXING SAID CUSHION TO BEND IT INTO A CURVED BODY WITH SAID BUTT ENDS FACING SUBSTANTIALLY IN THE SAME DIRECTION, SECURING SAID BODY WHILE IN SAID FLEXED AND CURVED POSITION WITHIN A MOLD CONFORMING GENERALLY TO THE SHAPE OF THE FINISHED BACKREST, INTRODUCING A HIGHDENSITY TYPE FOAMABLE PLASTIC MATERIAL INTO THE MOLD TO
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |