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US3050809A
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US
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Synchronized and equalized opposed hammer press
Assignee: MCKIERNAN TERRY CORP
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Filing: 1960-12-08
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Granted: 1962-08-28
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Expires: 1980-12-08
Abstract
No abstract record available.
Inventors
- 👤 John J Kupka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:27
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/02; B28B3/022; Y; Y10; Y10S; Y10S425/00; Y10S425/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2400685A
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US2353389A
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US2487402A
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US2755532A
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US2909826A
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US2980978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |