US2745139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing moldable rubber or rubber like articles
Assignee: Individual
•
Filing: 1950-09-16
•
Granted: 1956-05-15
•
Expires: 1970-09-16
Abstract
No abstract record available.
Inventors
- 👤 Walter E Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/10; B29C33/00; B29C33/30; B29C33/303; B29C33/44; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/56; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD FOR MAKING ARTICLES OF RUBBER-LIKE ELASTIC MATERIAL, COMPRISING THE STEPS OF PROVIDING A MOLD HAVING AN ATRICLE-FORMING CAVITY AND INLET MEANS THERETO, PLACING A PREDETERMINED AMOUNT OF RUBBER-LIKE ELASTIC MATERIAL IN SAID CAVITY, ENCASING A SUBSTANTIAL PROPORTION OF THE MOLD EXTERIOR WITH RUBBER-LIKE ELASTIC MATERIAL TO HAVE PORTIONS THEREOF AT SAID INLET MEANS IN CLOSE PROXIMITY TO THE MATERIAL IN SAID CAVITY, AND EMBRACING THE ENTIRE MOLD TO APPLY PRESSURE TO THE ENCASING ELASTIC MA-
Claim 2
Independent Claim
77 words
A METHOD FOR MAKING ARTICLES OF RUBBER-LIKE ELASTIC MATERIAL, COMPRISING THE STEPS OF PROVIDING A MOLD HAVING AN ATRICLE-FORMING CAVITY AND INLET MEANS THERETO, PLACING A PREDETERMINED AMOUNT OF RUBBER-LIKE ELASTIC MATERIAL IN SAID CAVITY, ENCASING A SUBSTANTIAL PROPORTION OF THE MOLD EXTERIOR WITH RUBBER-LIKE ELASTIC MATERIAL TO HAVE PORTIONS THEREOF AT SAID INLET MEANS IN CLOSE PROXIMITY TO THE MATERIAL IN SAID CAVITY, AND EMBRACING THE ENTIRE MOLD TO APPLY PRESSURE TO THE ENCASING ELASTIC MA-
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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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |