Patent US1948466A successfully refreshed from Google Patents.
US1948466A
Expired / Lapsed
US
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Valve parts assembling machine
Assignee: Firestone Steel Products Co
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Filing: 1930-07-16
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Granted: 1934-02-20
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Expires: 1950-07-16
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Broecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:53
CPC Classifications
B; B23; B23P; B23P21/00; B23P21/004; B23P21/006; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/519; Y10T29/5195; Y10T29/53; Y10T29/53313; Y10T29/53383; Y10T29/53387
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) | 1937-02-19 | 1937-08-21 | 1938-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-02-19 | 1941-08-21 | 1942-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-02-19 | 1945-08-21 | 1946-02-20 | $7700.00 | Window Closed / Lapsed |