Patent US2498653A successfully refreshed from Google Patents.
US2498653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminar structure
Assignee: Uniroyal Inc
•
Filing: 1946-10-19
•
Granted: 1950-02-28
•
Expires: 1966-10-19
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:57
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/3183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A SHATTERPROOF SCAR-RESISTANT LAMINAR STRUCTURE COMPRISING A NORMALLY HARD TOUGH THERMOPLASTIC BASE SHEET COMPOSED MAINLY OF A CURED COMPOSITE THERMOPLASTIC HOMOGENEOUS MIXTURE OF NATURAL RUBBER AND CYCLIZED RUBBER RESIN, THE CYCLIZED RUBBER RESIN CONSTITUTING ABOVE 50% AND UP TO 90% BY WEIGHT OF THE SUM OF THE WEIGHTS OF THE TWO COMPOUNDS, SAID BASE SHEET HAVING BONDED INTEGRALLY THEREWITH BY COLESCENCE OF THE INTERFACE UNDER THE ACTION OF CURING HEAT AND PRESSURE AN EMBOSSABLE THERMOPLASTIC SHEET COMPOSED MAINLY OF A CURED THERMOPLASTIC HOMOGENEOUS MIXTURE OF THE SAME RUBBER AND RESIN COMPONENTS THAT ARE USED FOR FORMING THE SAID BASE SHEET, BUT IN WHICH THE PROPORTION OF THE CYCLIZED RUBBER RESIN IN SUBSTANTIALLY LESS THAN THE PROPORTION THEREOF IN SAID BASE SHEET AND RANGES FROM 25 TO 50% BY WEIGHT OF THE SUM OF THE WEIGHTS OF THE NATURAL RUBBER AND CYCLIZED RUBBER RESIN COMPONENTS.
Claim 2
Dependent Claim
144 words
A SHATTERPROOF SCAR-RESISTANT LAMINAR STRUCTURE COMPRISING A NORMALLY HARD TOUGH THERMOPLASTIC BASE SHEET COMPOSED MAINLY OF A CURED COMPOSITE THERMOPLASTIC HOMOGENEOUS MIXTURE OF NATURAL RUBBER AND CYCLIZED RUBBER RESIN, THE CYCLIZED RUBBER RESIN CONSTITUTING ABOVE 50% AND UP TO 90% BY WEIGHT OF THE SUM OF THE WEIGHTS OF THE TWO COMPOUNDS, SAID BASE SHEET HAVING BONDED INTEGRALLY THEREWITH BY COLESCENCE OF THE INTERFACE UNDER THE ACTION OF CURING HEAT AND PRESSURE AN EMBOSSABLE THERMOPLASTIC SHEET COMPOSED MAINLY OF A CURED THERMOPLASTIC HOMOGENEOUS MIXTURE OF THE SAME RUBBER AND RESIN COMPONENTS THAT ARE USED FOR FORMING THE SAID BASE SHEET, BUT IN WHICH THE PROPORTION OF THE CYCLIZED RUBBER RESIN IN SUBSTANTIALLY LESS THAN THE PROPORTION THEREOF IN SAID BASE SHEET AND RANGES FROM 25 TO 50% BY WEIGHT OF THE SUM OF THE WEIGHTS OF THE NATURAL RUBBER AND CYCLIZED RUBBER RESIN COMPONENTS.
References Cited (Backward Citations)
US819765A
Cited
US2363654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |