US2819993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous and foamy spongelike materials
Assignee: Individual
•
Filing: 1955-07-22
•
Granted: 1958-01-14
•
Expires: 1975-07-22
Abstract
No abstract record available.
Inventors
- 👤 Thurlow G Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:10
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0085; B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1266; C08K; C08K7/00; C08K7/02; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/26; Y10T428/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A CORD RE-ENFORCED SPONGE RUBBER ARTICLE, COMPRISING A MASS OF SPONGE RUBBER HAVING INDEPENDENT, DISCONNECTED, SHORT LENGTHS OF CORD OF FIBROUS ORGANIC MATERIAL DISPERSED IN RANDOM RELATIONSHIP THROUGHOUT THE ENTIRE BODY OF SAID MASS, SAID CORDS BEING WITHIN THE RANGE OF ONE-FOURTH OF ONE INCH AND FOUR INCHES IN LENGTH WHEN STRAIGHTENED FULL LENGTH AND BETWEEN APPROXIMATELY ONE ONE-HUNDREDTH OF ONE INCH AND APPROXIMAELY ONE-SIXTENTH OF ONE INCH IN DIAMETER, WHEREBY SAID SHORT LENGTHS OF CORDS TEND TO MOVE RELATIVE TO ONE ANOTHER WHILE EMBEDDED IN SAID MASS, WHEN IT IS STRETCHED IN ANY DIRECTION AND RESIST TEARING OF SAID ARTICLE.
Claim 2
Dependent Claim
101 words
A CORD RE-ENFORCED SPONGE RUBBER ARTICLE, COMPRISING A MASS OF SPONGE RUBBER HAVING INDEPENDENT, DISCONNECTED, SHORT LENGTHS OF CORD OF FIBROUS ORGANIC MATERIAL DISPERSED IN RANDOM RELATIONSHIP THROUGHOUT THE ENTIRE BODY OF SAID MASS, SAID CORDS BEING WITHIN THE RANGE OF ONE-FOURTH OF ONE INCH AND FOUR INCHES IN LENGTH WHEN STRAIGHTENED FULL LENGTH AND BETWEEN APPROXIMATELY ONE ONE-HUNDREDTH OF ONE INCH AND APPROXIMAELY ONE-SIXTENTH OF ONE INCH IN DIAMETER, WHEREBY SAID SHORT LENGTHS OF CORDS TEND TO MOVE RELATIVE TO ONE ANOTHER WHILE EMBEDDED IN SAID MASS, WHEN IT IS STRETCHED IN ANY DIRECTION AND RESIST TEARING OF SAID ARTICLE.
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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) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |