US2170931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of patterned objects from powdered materials and the like
Assignee: Individual
•
Filing: 1937-06-14
•
Granted: 1939-08-29
•
Expires: 1957-06-14
Abstract
No abstract record available.
Inventors
- 👤 Schafer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:19
CPC Classifications
B; B29; B29B; B29B11/00; B29B11/06; B29C; B29C41/00; B29C41/02; B29C41/22; B29C43/00; B29C43/006; B29C43/02; B29C43/20; B29C43/203; B29C69/00; B29C69/02; B29C43/027; B29C2043/029; B29C41/04; B29K; B29K2075/00
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) | 1942-08-28 | 1943-02-27 | 1943-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-28 | 1947-02-27 | 1947-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-28 | 1951-02-27 | 1951-08-29 | $7700.00 | Window Closed / Lapsed |