US2332170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Briquette machine
Assignee: Individual
•
Filing: 1941-04-21
•
Granted: 1943-10-19
•
Expires: 1961-04-21
Abstract
No abstract record available.
Inventors
- 👤 George C Sapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:43
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/06; B30B15/065; B30B11/00; B30B11/22; B30B11/224; B30B11/225; B30B11/26; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906; Y10S100/909
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) | 1946-10-18 | 1947-04-19 | 1947-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-18 | 1951-04-19 | 1951-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-18 | 1955-04-19 | 1955-10-19 | $7700.00 | Window Closed / Lapsed |