Patent US3385436A successfully refreshed from Google Patents.
US3485122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-stripper for use with punches,dies and the like
Assignee: Individual
•
Filing: 1967-12-21
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Granted: 1969-12-23
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Expires: 1987-12-21
Abstract
No abstract record available.
Inventors
- 👤 Howard S Achler
- 👤 Harold Kaufmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:38
CPC Classifications
B; B21; B21D; B21D45/00; B21D45/003; B21D45/006; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1934681A
Cited
US2601039A
Cited
US2823249A
Cited
US2889089A
Cited
US3211035A
Cited
US3234835A
Cited
US3269238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |