Patent US2932865A successfully refreshed from Google Patents.
US2932865A
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US
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Cold chamber shot end with loose piece arrangement
Assignee: NL Industries Inc
•
Filing: 1957-01-23
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Granted: 1960-04-19
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Expires: 1977-01-23
Abstract
No abstract record available.
Inventors
- 👤 Bauer Alfred Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:08
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/2015; B22D17/203; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5184
Claims Analysis
Total Claims: 0
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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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |