US2670485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven sweeper and dirt collector
Assignee: Individual
•
Filing: 1950-04-17
•
Granted: 1954-03-02
•
Expires: 1970-04-17
Abstract
No abstract record available.
Inventors
- 👤 Peter D Gomez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:57
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4072; A47L11/24; A47L11/32; A47L11/33; A47L11/4002; A47L11/4005; A47L11/4013; A47L11/4025; A47L11/4036; A47L11/4041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US941494A
Cited
US1716453A
Cited
US1991794A
Cited
US1972870A
Cited
US2136676A
Cited
US2178917A
Cited
US2515671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |