US2655897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flour dusting machine
Assignee: Individual
•
Filing: 1951-12-10
•
Granted: 1953-10-20
•
Expires: 1971-12-10
Abstract
No abstract record available.
Inventors
- 👤 Almen H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
B; B07; B07B; B07B4/00; B07B4/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US432912A
Cited
US1310815A
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US637666A
Cited
US1482495A
Cited
US1797112A
Cited
US1970336A
Cited
US2476465A
Cited
US2505243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |