US2302196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe cleaning machine
Assignee: Individual
•
Filing: 1941-02-24
•
Granted: 1942-11-17
•
Expires: 1961-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jesse S Downs
- 👤 Ernest E Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:05
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/023; Y; Y10; Y10S; Y10S118/00; Y10S118/11
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) | 1945-11-16 | 1946-05-18 | 1946-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-16 | 1950-05-18 | 1950-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-16 | 1954-05-18 | 1954-11-17 | $7700.00 | Window Closed / Lapsed |