Patent US3220902A successfully refreshed from Google Patents.
Patent US3982829A successfully refreshed from Google Patents.
Patent US2003167A successfully refreshed from Google Patents.
US2003167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fusing powdered materials
Assignee: General Electric Co
•
Filing: 1931-01-09
•
Granted: 1935-05-28
•
Expires: 1951-01-09
Abstract
No abstract record available.
Inventors
- 👤 Peter P Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:15
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; B; B05; B05B; B05B7/00; B05B7/16; B05B7/22; B05B7/222; B05B7/226; C23C4/12; C23C4/131
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-05-27 | 1938-11-26 | 1939-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-27 | 1942-11-26 | 1943-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-27 | 1946-11-26 | 1947-05-28 | $7700.00 | Window Closed / Lapsed |