US3386781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die set having readily demountable guide pins and bushings
Assignee: Lempco Industries Inc
•
Filing: 1966-01-24
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Granted: 1968-06-04
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 William J Blazek
- 👤 Clinton D Hillis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:31
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/49897; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8855; Y10T83/929; Y10T83/9457; Y10T83/9488
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |