US2599706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forging
Assignee: National Machinery Co
•
Filing: 1946-06-26
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Granted: 1952-06-10
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Expires: 1966-06-26
Abstract
No abstract record available.
Inventors
- 👤 John H Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:45
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/28; B21K1/40; B21J; B21J5/00; B21J5/02; B21J5/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49533; Y10T29/49536
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE43934C
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US761778A
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US862641A
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US1929802A
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US1946117A
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US1913492A
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US2368695A
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US2268246A
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US2342021A
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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) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |