US2416045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded engine frame construction
Assignee: American Locomotive Co
•
Filing: 1945-05-24
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Granted: 1947-02-18
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Expires: 1965-05-24
Abstract
No abstract record available.
Inventors
- 👤 Chapman Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:44
CPC Classifications
F; F16; F16M; F16M1/00; F16M1/02; F02; F02F; F02F7/00; F02F7/0021; F02F7/0034; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49231; Y10T29/49826; Y10T29/49828; Y10T29/49904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US112084A
Cited
GB189410948A
Cited
US1818752A
Cited
CH146355A
Cited
US2030995A
Cited
US2159006A
Cited
US2078056A
Cited
US2246857A
Cited
US2280016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |