US2515671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel adjustment for carpet sweepers
Assignee: ARTHUR GROSS J
•
Filing: 1946-07-13
•
Granted: 1950-07-18
•
Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 Leland H Snyder
- 👤 Kermit D Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:29
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4072; A47L11/32; A47L11/33; A47L11/4052; A47L11/4058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1850710A
Cited
US1882464A
Cited
US1880915A
Cited
US2050361A
Cited
US2109311A
Cited
US2396846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |