US2650418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making collared shafts
Assignee: Caterpillar Inc
•
Filing: 1949-03-31
•
Granted: 1953-09-01
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 Clella A Matheny
- 👤 William J Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:34
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49792; Y10T29/49799
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1467792A
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US1930277A
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US2219085A
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US2282537A
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US2371399A
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US2449662A
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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) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |