Patent US2002891A successfully refreshed from Google Patents.
US2002891A
Expired / Lapsed
US
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Bronze, bronze powders, and method of making the same
Assignee: Metals Disintegrating Co Inc
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Filing: 1931-06-04
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Granted: 1935-05-28
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Expires: 1951-06-04
Abstract
No abstract record available.
Inventors
- 👤 Harriet L Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:34
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/04; C; C09; C09C; C09C1/00; C09C1/62; C01; C01P; C01P2004/00; C01P2004/20; Y; Y10; Y10S; Y10S106/00; Y10S106/03; Y10S29/00; Y10S29/031
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) | 1938-05-27 | 1938-11-26 | 1939-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-27 | 1942-11-26 | 1943-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-27 | 1946-11-26 | 1947-05-28 | $7700.00 | Window Closed / Lapsed |