US2542318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car wheel boring machine
Assignee: Pullman-Standard Car Manufacturing Co
•
Filing: 1946-11-29
•
Granted: 1951-02-20
•
Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Clyde B Faverty
- 👤 Arthur H Hartwig
- 👤 William J Mcdonald
- 👤 Wulff Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:06
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/64; B23Q1/66; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/175; Y10T408/52; Y10T408/54; Y10T82/00; Y10T82/25; Y10T82/2514
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US497738A
Cited
US2019814A
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US1392304A
Cited
US1433818A
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US1541527A
Cited
US1649411A
Cited
US2395518A
Cited
US2195861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |