US2589761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stamping machine with perfecting feature
Assignee: Individual
•
Filing: 1948-01-28
•
Granted: 1952-03-18
•
Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:41
CPC Classifications
D; D06; D06H; D06H1/00; D06H1/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/18848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US8521A
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US28948A
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US157766A
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US425826A
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US461943A
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USRE17715E
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US1508116A
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US1543227A
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US2434381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |