US2556142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for production of gear teeth
Assignee: Individual
•
Filing: 1945-03-06
•
Granted: 1951-06-05
•
Expires: 1965-03-06
Abstract
No abstract record available.
Inventors
- 👤 Limited Barclays Bank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:25
CPC Classifications
B; B23; B23F; B23F7/00; B23F19/00; B23F19/06; B23F19/066; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10477; Y10T409/105088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1996380A
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US2123717A
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US2267692A
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US2207438A
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US1990239A
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US2055132A
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US2126178A
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US2236256A
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US2338528A
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US2380224A
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |