US3422649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic threading device for rolling mills
Assignee: MESTA ENGINEERING COMPANY APARTNERSHIP OF PA
•
Filing: 1966-01-14
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Granted: 1969-01-21
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Paul M Lowy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:20
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/02; B21B1/00; B21B1/22; B21B1/24; B21B1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA547060A
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US3118314A
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US739493A
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US2062297A
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DE725594C
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US2192409A
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US2331246A
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US2842361A
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US3040944A
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US3322963A
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US3344645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |