Patent US5726987A successfully refreshed from Google Patents.
Patent US3827982A successfully refreshed from Google Patents.
US3827982A
Expired / Lapsed
US
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Moldable lead composition
Assignee: Individual
•
Filing: 1970-12-15
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Granted: 1974-08-06
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Expires: 1990-12-15
Abstract
Abstract DRY LEAD POWDER IS MIXED WITH WATER. SUBSTANTIALLY ALL FREE WATER IS REMOVED FROM THE WET COMPOSITION TO PRODUCE A SELF-SUPPORTING LEAD COMPOSITION. THIS COMPOSITION CAN BE USED AS A MATRIX INTO WHICH AGGREGATES ARE DISPERSED.
Inventors
- 👤 W Hall
- 👤 J Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:47
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153
Claims Analysis
Total Claims: 0
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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) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |