US1800316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment to air-way-cleaner tools
Assignee: Commerce Guardian Trust & Savi
•
Filing: 1929-02-26
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Granted: 1931-04-14
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Expires: 1949-02-26
Abstract
No abstract record available.
Inventors
- 👤 Replogle Daniel Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:54
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/04; A47L9/0461; A47L9/0466; A47L9/0477
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) | 1934-04-13 | 1934-10-13 | 1935-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-13 | 1938-10-13 | 1939-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-13 | 1942-10-13 | 1943-04-14 | $7700.00 | Window Closed / Lapsed |