Patent US3298656A successfully refreshed from Google Patents.
US3298656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam insulation forming fixture
Assignee: Remmele Engineering Inc
•
Filing: 1964-10-02
•
Granted: 1967-01-17
•
Expires: 1984-10-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Zastrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:20
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1233; B29C33/00; B29C33/20; B29C33/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN APPARATUS FOR APPLYING MECHANICAL PRESSURE TO AN ARTICLE RETAINED WITHIN EXTERNAL AND INTERNAL WALLS DEFINING A CHAMBER DURING THE FROTHING OF A RESIN WITHIN SAID ARTICLE, THE ARTICLE COMPRISING A HOLLOW STRUCTURE HAVING OUTER WALL SURFACES ENCLOSING A CORE ZONE THEREBETWEEN: (A) AN OUTER SHELL FOR SAID CHAMBER ADAPTED TO RECEIVE SAID HOLLOW CORE STRUCTURE AND HAVING AN INNER WALL DISPOSED IN ABUTTING RELATIONSHIP TO THE OUTER WALL SURFACE OF THE HOLLOW CORE STRUCTURE OF SAID ARTICLE, (B) MEANS FOR BLOCKING THE WALLS OF SAID OUTER SHELL IN PREDETERMINED DISPOSITION, AND (C) INTERNAL BLOCKING MEANS FORMING INTERNAL WALLS WITHIN SAID CHAMBER AND HAVING SURFACES ADAPTED TO BE DISPOSED IN ABUTTING RELATIONSHIP TO THE INNER SURFACES OF SAID HOLLOW SHELL, SAID INTERNAL BLOCKING MEANS COMPRISING A PLURALITY OF MODULAR UNITS, EACH HAVING AT LEAST TWO LATERALLY DISPOSED PRESURE APPLYING SURFACES MOUNTED FOR PIVOTAL ROTATION BE-
Claim 2
Dependent Claim
145 words
IN APPARATUS FOR APPLYING MECHANICAL PRESSURE TO AN ARTICLE RETAINED WITHIN EXTERNAL AND INTERNAL WALLS DEFINING A CHAMBER DURING THE FROTHING OF A RESIN WITHIN SAID ARTICLE, THE ARTICLE COMPRISING A HOLLOW STRUCTURE HAVING OUTER WALL SURFACES ENCLOSING A CORE ZONE THEREBETWEEN: (A) AN OUTER SHELL FOR SAID CHAMBER ADAPTED TO RECEIVE SAID HOLLOW CORE STRUCTURE AND HAVING AN INNER WALL DISPOSED IN ABUTTING RELATIONSHIP TO THE OUTER WALL SURFACE OF THE HOLLOW CORE STRUCTURE OF SAID ARTICLE, (B) MEANS FOR BLOCKING THE WALLS OF SAID OUTER SHELL IN PREDETERMINED DISPOSITION, AND (C) INTERNAL BLOCKING MEANS FORMING INTERNAL WALLS WITHIN SAID CHAMBER AND HAVING SURFACES ADAPTED TO BE DISPOSED IN ABUTTING RELATIONSHIP TO THE INNER SURFACES OF SAID HOLLOW SHELL, SAID INTERNAL BLOCKING MEANS COMPRISING A PLURALITY OF MODULAR UNITS, EACH HAVING AT LEAST TWO LATERALLY DISPOSED PRESURE APPLYING SURFACES MOUNTED FOR PIVOTAL ROTATION BE-
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |