US2831286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for modelling in clay
Assignee: Individual
•
Filing: 1954-02-24
•
Granted: 1958-04-22
•
Expires: 1974-02-24
Abstract
No abstract record available.
Inventors
- 👤 Eisner Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:59
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/20; B44C3/00; B44C3/04; Y; Y10; Y10S; Y10S425/00; Y10S425/249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US576047A
Cited
US856982A
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US1868209A
Cited
US1942370A
Cited
US2037545A
Cited
US2454899A
Cited
US2611170A
Cited
US2690023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |