US2553727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dustpan
Assignee: Individual
•
Filing: 1947-04-16
•
Granted: 1951-05-22
•
Expires: 1967-04-16
Abstract
No abstract record available.
Inventors
- 👤 George M Schlutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:19
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/50; A47L13/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US219875A
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US360643A
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US681303A
Cited
US805904A
Cited
US961965A
Cited
US1189051A
Cited
US1424761A
Cited
US1864918A
Cited
US1984491A
Cited
US2255715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |