US3146285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing pressure-molded particle board articles
Assignee: Furnier und Sperrholzwerk JF Werz Jr KG Werzalit Pressholzwerk
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Filing: 1961-05-01
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Granted: 1964-08-25
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Edmund E Munk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
B; B27; B27N; B27N5/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF PRODUCING PRESSURE-MOLDED ARTICLES, COMPRISING THE STEPS OF FILLING A MOLD WITH A MIXTURE OF FIBROUS MATERIALS OF AT LEAST ONE THERMOSETTING BINDER OF SYNTHETIC RESIN, AND OF AT LEAST ONE ADDITIONAL AGENT FOR INCREASING THE RESISTANCE OF THE MOLDED ARTICLE AGAINST PARTICULAR INFLUENCES, COMPRESSING SAID MIXTURE IN SAID MOLD TO FORM A BLANK OF A SHAPE SUBSTANTIALLY SIMILAR TO THE SHAPE OF THE DESIRED ARTICLE BUT OF LARGER DIMENSIONS, THEN REMOVING SAID BLANK FROM SAID MOLD AND INSERTING IT INTO A SECOND, HEATED MOLD, COMPRESSING SAID BLANK
Claim 2
Independent Claim
90 words
A METHOD OF PRODUCING PRESSURE-MOLDED ARTICLES, COMPRISING THE STEPS OF FILLING A MOLD WITH A MIXTURE OF FIBROUS MATERIALS OF AT LEAST ONE THERMOSETTING BINDER OF SYNTHETIC RESIN, AND OF AT LEAST ONE ADDITIONAL AGENT FOR INCREASING THE RESISTANCE OF THE MOLDED ARTICLE AGAINST PARTICULAR INFLUENCES, COMPRESSING SAID MIXTURE IN SAID MOLD TO FORM A BLANK OF A SHAPE SUBSTANTIALLY SIMILAR TO THE SHAPE OF THE DESIRED ARTICLE BUT OF LARGER DIMENSIONS, THEN REMOVING SAID BLANK FROM SAID MOLD AND INSERTING IT INTO A SECOND, HEATED MOLD, COMPRESSING SAID BLANK
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |