US2041689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust remover for drills and the like
Assignee: ARTHUR A JOHNSON Corp
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Filing: 1933-07-05
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Granted: 1936-05-26
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Expires: 1953-07-05
Abstract
No abstract record available.
Inventors
- 👤 Paul A Baumeister
- 👤 Albert D Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:17
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0046; E; E21; E21B; E21B21/00; E21B21/01; E21B21/015; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S29/00; Y10S29/066; Y10S29/079; Y10S82/00; Y10S82/901
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) | 1939-05-26 | 1939-11-25 | 1940-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-26 | 1943-11-25 | 1944-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-26 | 1947-11-25 | 1948-05-26 | $7700.00 | Window Closed / Lapsed |