Patent US3199819A successfully refreshed from Google Patents.
US3199819A
Expired / Lapsed
US
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Chair leg cushioning device and method of making the same
Assignee: Spartek Inc
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Filing: 1963-03-14
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Granted: 1965-08-10
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Expires: 1983-03-14
Abstract
No abstract record available.
Inventors
- 👤 Duane O Widmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:09
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/002; A47B; A47B91/00; A47B91/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A CUSHIONING TIP FOR TUBULAR LEG STRUCTURES INCLUDING: (A) AN OUTER SHELL OF RELATIVELY SOFT CUSHIONING MATERIAL HAVING AN IMPERFORATE BOTTOM PORTION WITH A PORTION EXTENDING UPWARDLY THEREFROM HAVING A GENERALLY CYLINDRICAL INSIDE LEG EMBRACING PORTION DEFINING A LEG RECEIVING CAVITY; (B) AN INNER REINFORCING MEMBER DISPOSED IN FIXED RELATION IN THE BOTTTOM OF SAID CAVITY HAVING AN UPWARDLY EXTENDING FLANGE PORTION INTEGRALLY FORMED THEREWITH TO SURROUND THE LOWER MARGINAL PORTION OF A LEG INSERTED INTO SAID CAVITY; (C) SAID INNER MEMBER BEING MADE OF SUBSTANTIALLY HARDER, MORE DURABLE MATERIAL THAN THE OUTER CUSHIONING MATERIAL FOR ENGAGING THE END OF THE TUBULAR LEG TO PREVENT THE LEG FROM CUTTING THROUGH THE SOFTER MATERIAL OF THE OUTER SHELL.
Claim 2
Dependent Claim
117 words
A CUSHIONING TIP FOR TUBULAR LEG STRUCTURES INCLUDING: (A) AN OUTER SHELL OF RELATIVELY SOFT CUSHIONING MATERIAL HAVING AN IMPERFORATE BOTTOM PORTION WITH A PORTION EXTENDING UPWARDLY THEREFROM HAVING A GENERALLY CYLINDRICAL INSIDE LEG EMBRACING PORTION DEFINING A LEG RECEIVING CAVITY; (B) AN INNER REINFORCING MEMBER DISPOSED IN FIXED RELATION IN THE BOTTTOM OF SAID CAVITY HAVING AN UPWARDLY EXTENDING FLANGE PORTION INTEGRALLY FORMED THEREWITH TO SURROUND THE LOWER MARGINAL PORTION OF A LEG INSERTED INTO SAID CAVITY; (C) SAID INNER MEMBER BEING MADE OF SUBSTANTIALLY HARDER, MORE DURABLE MATERIAL THAN THE OUTER CUSHIONING MATERIAL FOR ENGAGING THE END OF THE TUBULAR LEG TO PREVENT THE LEG FROM CUTTING THROUGH THE SOFTER MATERIAL OF THE OUTER SHELL.
References Cited (Backward Citations)
US2103095A
Cited
US2638632A
Cited
US2847715A
Cited
US2819557A
Cited
US2865133A
Cited
US2994152A
Cited
US3099103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |