US2809946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding compositions containing mineral fillers and products produced therefrom
Assignee: General Electric Co
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Filing: 1954-11-10
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Granted: 1957-10-15
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Expires: 1974-11-10
Abstract
No abstract record available.
Inventors
- 👤 James R Blegen
- 👤 Thomas G Custer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/06; C; C08; C08K; C08K3/00; C08K3/30; C08K3/32; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A MOLDING COMPOSITION COMPRISING (1) AS A BINDER A POLYMERIZABLE, UNSATURATED, POLYCARBOXYLIC ACID-POLYHYDRIC ALCOHOL POLYESTER, (2) AS A FILLER THEREFOR, FIBERS OF ACID-WASHED CHRYSOTILE FROM WHICH ESSENTIALLY ALL OF THE REACTIVE ALKALI HAS BEEN REMOVED WITH DILUTE ACID, (3) ZINC OXIDE AND (4) A LEAD SALT SELECTED FROM THE GROUP CONSISTING OF TRIBASIC LEAD SULFATE, DIBASIC LEAD SULFATE, DIBASIC LEAD PHOSPHITE, DIBASIC LEAD PHTHALATE AND DIBASIC LEAD STEARATE.
Claim 2
Dependent Claim
68 words
A MOLDING COMPOSITION COMPRISING (1) AS A BINDER A POLYMERIZABLE, UNSATURATED, POLYCARBOXYLIC ACID-POLYHYDRIC ALCOHOL POLYESTER, (2) AS A FILLER THEREFOR, FIBERS OF ACID-WASHED CHRYSOTILE FROM WHICH ESSENTIALLY ALL OF THE REACTIVE ALKALI HAS BEEN REMOVED WITH DILUTE ACID, (3) ZINC OXIDE AND (4) A LEAD SALT SELECTED FROM THE GROUP CONSISTING OF TRIBASIC LEAD SULFATE, DIBASIC LEAD SULFATE, DIBASIC LEAD PHOSPHITE, DIBASIC LEAD PHTHALATE AND DIBASIC LEAD STEARATE.
References Cited (Backward Citations)
US2680722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |