Patent US3400655A successfully refreshed from Google Patents.
US3400655A
Expired / Lapsed
US
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Press matrix
Assignee: Individual
•
Filing: 1967-02-15
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Granted: 1968-09-10
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Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Leskinen Paul Ensio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:00
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/10; B21D28/00; B21D28/24; B21D28/34; B21D53/00; B21D53/02; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9457; Y10T83/9461
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |