US2739093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making laminated tufted cellular rubber sheet material
Assignee: Uniroyal Inc
•
Filing: 1953-01-13
•
Granted: 1956-03-20
•
Expires: 1973-01-13
Abstract
No abstract record available.
Inventors
- 👤 Wilson R Bull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/22; B29C44/24; B29C44/30; B29L; B29L2009/00; B29L2031/00; B29L2031/60; B29L2031/601; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24678; Y10T428/249921; Y10T428/249953; Y10T428/249981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE METHOD OF MAKING A LAMINATED ARTICLE WHICH COMPRISES PROVIDING A PLURALITY OF SHEETS OF UNCURED PLASTIC STOCK CONTAINING A BLOWING AGENT, APPLYING A GAS EVOLVING AGENT TO A SURFACE OF AT LEAST ONE OF THESE SHEETS, DISPOSING THE SHEETS ADJACENT ONE ANOTHER SO THAT THE APPLIED GAS EVOLVING AGENT IS BETWEEN TWO OF THE SHEETS, PRESSING THE SHEETS TOGETHER ALONG LINES THAT INTERSECT AND FORM INFLATABLE AREAS BETWEEN THE SHEETS, AND TREATING THE SHEETS TO FORM CELLUAR MATERIAL OF THE SHEETS AND TO EVOLVE GAS FROM THE GAS EVOLVING AGENT BETWEEN TWO OF SAID SHEETS, THEREBY TO BLOW THE SHEETS APART IN THE AREAS BETWEEN THE LINES WHERE THE SHEETS ARE PRESSED TOGETHER.
Claim 2
Independent Claim
114 words
THE METHOD OF MAKING A LAMINATED ARTICLE WHICH COMPRISES PROVIDING A PLURALITY OF SHEETS OF UNCURED PLASTIC STOCK CONTAINING A BLOWING AGENT, APPLYING A GAS EVOLVING AGENT TO A SURFACE OF AT LEAST ONE OF THESE SHEETS, DISPOSING THE SHEETS ADJACENT ONE ANOTHER SO THAT THE APPLIED GAS EVOLVING AGENT IS BETWEEN TWO OF THE SHEETS, PRESSING THE SHEETS TOGETHER ALONG LINES THAT INTERSECT AND FORM INFLATABLE AREAS BETWEEN THE SHEETS, AND TREATING THE SHEETS TO FORM CELLUAR MATERIAL OF THE SHEETS AND TO EVOLVE GAS FROM THE GAS EVOLVING AGENT BETWEEN TWO OF SAID SHEETS, THEREBY TO BLOW THE SHEETS APART IN THE AREAS BETWEEN THE LINES WHERE THE SHEETS ARE PRESSED TOGETHER.
References Cited (Backward Citations)
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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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |