US2431482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch press mechanism
Assignee: Individual
•
Filing: 1946-01-26
•
Granted: 1947-11-25
•
Expires: 1966-01-26
Abstract
No abstract record available.
Inventors
- 👤 Hutchinson Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:15
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/04; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/744; Y10T83/745; Y10T83/748; Y10T83/7593; Y10T83/76; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US458531A
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US1313277A
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US814167A
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US1168600A
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US1360905A
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US1382674A
Cited
US1815699A
Cited
US2068445A
Cited
US2214665A
Cited
US2287738A
Cited
US2327000A
Cited
FR1382674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |