US2761407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press and method of drawing two depressions in flat sheet material
Assignee: Alliance Ware Inc
•
Filing: 1952-01-02
•
Granted: 1956-09-04
•
Expires: 1972-01-02
Abstract
No abstract record available.
Inventors
- 👤 William H Bowden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:48
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/20; B21D22/26; Y; Y10; Y10S; Y10S220/00; Y10S220/22
Claims Analysis
Total Claims: 0
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DE517829C
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US1623467A
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DE681196C
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DE577136C
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DE697849C
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US2272511A
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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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |