Patent US2659095A successfully refreshed from Google Patents.
US2659095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetary wheel suspension for carpet sweepers
Assignee: Harrisburg University of Science and Technology
•
Filing: 1949-10-14
•
Granted: 1953-11-17
•
Expires: 1969-10-14
Abstract
No abstract record available.
Inventors
- 👤 John M Himes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:46
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4072; A47L11/32; A47L11/33; A47L11/4052; A47L11/4058
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |