US3512213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion nozzle for a meat grinder
Assignee: White Castle System Inc
•
Filing: 1968-05-15
•
Granted: 1970-05-19
•
Expires: 1988-05-15
Abstract
No abstract record available.
Inventors
- 👤 Edmund J De Villers
- 👤 Edgar W Ingram Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/30; B02C18/305; B02C2018/307
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208651A
Cited
US2635561A
Cited
US2580726A
Cited
US2670296A
Cited
US2953461A
Cited
US3229615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |