US2897728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal gear hobbing machine
Assignee: Individual
•
Filing: 1955-06-20
•
Granted: 1959-08-04
•
Expires: 1975-06-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Vasselli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:25
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/20; B23F5/22; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/102544; Y10T409/102703; Y10T409/102862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US110951A
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US978113A
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US1078857A
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US2231865A
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US2073917A
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US2214504A
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US2374255A
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US2451447A
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US2593936A
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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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |