US3183292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic molding apparatus and method
Assignee: Individual
•
Filing: 1962-05-25
•
Granted: 1965-05-11
•
Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Dvoracek Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/44; B29C45/4407; B29C45/26; B29C45/261; B29C45/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A METHOD OF REMOVING A HOLLOW, ELASTOMERIC ARTICLE HAVING AN OPEN END FROM A CORE WHICH EXTENDS INTO SAID ARTICLE THROUGH SAID OPEN END THEREOF AND WHICH HAS AN EXTERNAL CONFIGURATION CONFORMING TO THE INTERNAL CONFIGURATION OF SAID ARTICLE, INCLUDING THE STEPS OF: PLACING OVER AT LEAST A PORTION OF SAID ARTICLE A GUARD HAVING AN INTERNAL CONFIGURATION CONFORMING TO THE EXTERNAL CONFIGURATION OF SAID PORTION OF SAID ARTICLE AND CLOSELY FITTING SAID PORTION OF SAID ARTICLE; AND INTRODUCING A FLUID INTO SAID ARTICLE THROUGH SAID OPEN END THEREOF AND BETWEEN SAID ARTICLE AND SAID CORE TO BLOW SAID ARTICLE OFF SAID CORE, SAID GUARD RESTRAINING SAID PORTION OF SAID ARTICLE AGAINST SUBSTANTIAL ENLARGEMENT WHILE SAID ARTICLE IS BEING BLOWN OFF SAID CORE, AND SAID GUARD BEING BLOWN OFF SAID CORE WITH SAID ARTICLE.
Claim 2
Independent Claim
134 words
A METHOD OF REMOVING A HOLLOW, ELASTOMERIC ARTICLE HAVING AN OPEN END FROM A CORE WHICH EXTENDS INTO SAID ARTICLE THROUGH SAID OPEN END THEREOF AND WHICH HAS AN EXTERNAL CONFIGURATION CONFORMING TO THE INTERNAL CONFIGURATION OF SAID ARTICLE, INCLUDING THE STEPS OF: PLACING OVER AT LEAST A PORTION OF SAID ARTICLE A GUARD HAVING AN INTERNAL CONFIGURATION CONFORMING TO THE EXTERNAL CONFIGURATION OF SAID PORTION OF SAID ARTICLE AND CLOSELY FITTING SAID PORTION OF SAID ARTICLE; AND INTRODUCING A FLUID INTO SAID ARTICLE THROUGH SAID OPEN END THEREOF AND BETWEEN SAID ARTICLE AND SAID CORE TO BLOW SAID ARTICLE OFF SAID CORE, SAID GUARD RESTRAINING SAID PORTION OF SAID ARTICLE AGAINST SUBSTANTIAL ENLARGEMENT WHILE SAID ARTICLE IS BEING BLOWN OFF SAID CORE, AND SAID GUARD BEING BLOWN OFF SAID CORE WITH SAID ARTICLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |