US2837010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duolineal-feed hobbing machine
Assignee: Gould & Eberhardt Inc
•
Filing: 1955-01-21
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Granted: 1958-06-03
•
Expires: 1975-01-21
Abstract
No abstract record available.
Inventors
- 👤 Davenport Granger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:46
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/20; B23F5/22; B23F11/00; G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/102226; Y10T409/102544; Y10T409/102703; Y10T409/102862; Y10T409/10318
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2374254A
Cited
US2684016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |