US2967613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal forming apparatus
Assignee: 134 WOODWORTH Corp
•
Filing: 1955-04-28
•
Granted: 1961-01-10
•
Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 John L Ellis
- 👤 Claus G Goetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:46
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/20; Y; Y10; Y10S; Y10S29/00; Y10S29/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770471A
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US1822939A
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FR789411A
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DE700461C
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US2325119A
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US2439966A
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US2389876A
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US2598016A
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US2656743A
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US2806596A
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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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |