US1822172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing tablets of powdery material framed in metal
Assignee: Individual
•
Filing: 1928-09-12
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Granted: 1931-09-08
•
Expires: 1948-09-12
Abstract
No abstract record available.
Inventors
- 👤 Pfleumer Herman
- 👤 Oexmann Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:57
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/30; B30B15/302; B30B15/304; B29; B29B; B29B11/00; B29B11/06; B29B11/12; B29C; B29C31/00; B29C31/04; B29C31/06; B29C31/065; B29C31/066; B29C43/00; B29C43/02; B29C43/04; B29C43/06; B29C43/08; B29C43/14; B29D; B29D19/00; B30B11/00; B30B11/02; B30B11/14; B29C2043/046; B29C43/32; B29C43/36; B29C43/361; B29C2043/3615; B29C2043/3618; B29C2043/3676; B29C2043/3689; B29C2791/00; B29C2791/001; B29C43/006; B29K; B29K2105/00; B29K2105/25; B29K2105/251; B29K2105/253; B29K2105/255; B29L; B29L2019/00; Y; Y10; Y10S; Y10S264/00; Y10S264/64
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) | 1934-09-07 | 1935-03-09 | 1935-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-07 | 1939-03-09 | 1939-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-07 | 1943-03-09 | 1943-09-08 | $7700.00 | Window Closed / Lapsed |