US2774430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latching means for die set retainers
Assignee: LEMPCO PRODUCTS Inc
•
Filing: 1955-11-08
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Granted: 1956-12-18
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Expires: 1975-11-08
Abstract
No abstract record available.
Inventors
- 👤 William J Blazek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:29
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; B; B21; B21D; B21D37/00; B21D37/10; F16C33/00; F16C33/30; F16C33/38; F16C33/40; F16B; F16B2200/00; F16B2200/69; F16C2322/00; F16C2322/14; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32467; Y10T403/32475; Y10T403/32501; Y10T403/60; Y10T403/602; Y10T403/604; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18182; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |