US2761493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upholstery cushions
Assignee: Individual
•
Filing: 1952-07-07
•
Granted: 1956-09-04
•
Expires: 1972-07-07
Abstract
No abstract record available.
Inventors
- 👤 Charles E Lenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:41
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A CORE STRUCTURE FOR A CUSHION COMPRISING A PLUMOST LAYERS BEING PROVIDED WITH RELATIVELY LARGE OPENINGS THERETHROUGH AND THE NEXT ADJACENT LAYERS HAVING RELATIVELY SMALLER OPENINGS THERETHROUGH TO FORM AN INTERNAL POCKET WITHIN SAID FILLER MATERIAL, AND A CORE ELEMENT OF FOAM RUBBER CORRESPONDING GENERALLY IN SHAPE TO AND ARRANGED IN SAID POCKET
Claim 2
Dependent Claim
53 words
A CORE STRUCTURE FOR A CUSHION COMPRISING A PLUMOST LAYERS BEING PROVIDED WITH RELATIVELY LARGE OPENINGS THERETHROUGH AND THE NEXT ADJACENT LAYERS HAVING RELATIVELY SMALLER OPENINGS THERETHROUGH TO FORM AN INTERNAL POCKET WITHIN SAID FILLER MATERIAL, AND A CORE ELEMENT OF FOAM RUBBER CORRESPONDING GENERALLY IN SHAPE TO AND ARRANGED IN SAID POCKET
References Cited (Backward Citations)
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Cited
US1928568A
Cited
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Cited
US2315391A
Cited
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Cited
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Cited
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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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |