US2535335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for chill casting
Assignee: Individual
•
Filing: 1948-03-19
•
Granted: 1950-12-26
•
Expires: 1968-03-19
Abstract
No abstract record available.
Inventors
- 👤 Thevenin Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:26
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/22; B22D33/00; B64; B64C; B64C11/00; B64C11/001; B64C23/00; B64C23/005; B64C29/00; B64C29/0008; B64C29/0016; F; F02; F02K; F02K1/00; F02K1/28; F02K1/36; F16; F16C; F16C17/00; F16C17/10; F16F; F16F9/00; F16F9/06; F16F9/066; F16F9/32; F16F9/3207; F16F9/3214; F16F9/34; F16F9/3415; F16F9/348; F16F9/3482; F22; F22D; F22D11/00; F22D11/02; F16C2326/00; F16C2326/43
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |