US2510345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe stem cleaner
Assignee: Individual
•
Filing: 1945-09-24
•
Granted: 1950-06-06
•
Expires: 1965-09-24
Abstract
No abstract record available.
Inventors
- 👤 Mccann De Witt
- 👤 Berlin Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:20
CPC Classifications
A; A24; A24F; A24F9/00; A24F9/04; A24F9/06; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10T; Y10T225/00; Y10T225/20; Y10T225/238; Y10T225/244; Y10T225/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US347169A
Cited
US1317187A
Cited
US1805619A
Cited
GB190616355A
Cited
GB190914499A
Cited
US1380897A
Cited
GB496793A
Cited
US2304281A
Cited
US2343064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |