Patent US2331167A successfully refreshed from Google Patents.
US2331167A
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US
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Explosion-type pulier
Assignee: Westinghouse Electric Corp
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Filing: 1942-05-23
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Granted: 1943-10-05
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Expires: 1962-05-23
Abstract
No abstract record available.
Inventors
- 👤 Winston A Brecht
- 👤 Harold F Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:17
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0085; B25B27/02; B25B27/06; B25B27/064; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53839; Y10T29/53843
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) | 1946-10-04 | 1947-04-05 | 1947-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-04 | 1951-04-05 | 1951-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-04 | 1955-04-05 | 1955-10-05 | $7700.00 | Window Closed / Lapsed |