US2549572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Step-on can with dustpan
Assignee: Individual
•
Filing: 1948-04-26
•
Granted: 1951-04-17
•
Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Campanelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:14
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/14; B65F1/16; B65F1/1623; B65F1/163; B65F2210/00; B65F2210/136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US893267A
Cited
AT102395B
Cited
AT119285B
Cited
US1990026A
Cited
US2172808A
Cited
US2313428A
Cited
US2237836A
Cited
US2271918A
Cited
US2411430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |