Patent US2553916A successfully refreshed from Google Patents.
US2553916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixture for the production of pastes of synthetic material
Assignee: Individual
•
Filing: 1949-06-01
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Granted: 1951-05-22
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Expires: 1969-06-01
Abstract
No abstract record available.
Inventors
- 👤 Halbig Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:36
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/18; C08J3/005; C08J3/02; C08J3/09; C08J3/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A POWDER FOR THE PRODUCTION OF PASTES OF THERMOPLASTIC POLYMERIC MATERIAL FOR THERMOPLASTIC WORKING UP, THE POWDER CONSISTING ESSENTIALLY OF A MIXTURE OF COARSE GRAINED AND FINE GRAINED POWDER OF THE POLYMERIC MATERIAL, THE COARSE GRAINS HAVING A DIAMETER AT LEAST SIX TIMES THE DIAMETER OF THE FINE GRAINS, AND THE RATIO OF THE WEIGHT OF THE COARSE GRAINS TO THE WEIGHT OF THE FINE GRAINS BEING BETWEEN 8:10 AND 85:15, SAID POWDER MIXTURE BEING SUBSTANTIALLY DEVOID OF GRAINS SIZED BETWEEN THE COARSE AND FINE GRAIN SIZES.
Claim 2
Dependent Claim
87 words
A POWDER FOR THE PRODUCTION OF PASTES OF THERMOPLASTIC POLYMERIC MATERIAL FOR THERMOPLASTIC WORKING UP, THE POWDER CONSISTING ESSENTIALLY OF A MIXTURE OF COARSE GRAINED AND FINE GRAINED POWDER OF THE POLYMERIC MATERIAL, THE COARSE GRAINS HAVING A DIAMETER AT LEAST SIX TIMES THE DIAMETER OF THE FINE GRAINS, AND THE RATIO OF THE WEIGHT OF THE COARSE GRAINS TO THE WEIGHT OF THE FINE GRAINS BEING BETWEEN 8:10 AND 85:15, SAID POWDER MIXTURE BEING SUBSTANTIALLY DEVOID OF GRAINS SIZED BETWEEN THE COARSE AND FINE GRAIN SIZES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |