US2717748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner motor mounting construction
Assignee: Royal Appliance Manufacturing Co
•
Filing: 1950-08-24
•
Granted: 1955-09-13
•
Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Martinet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:26
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE660896C
Cited
US699709A
Cited
AU620827A
Cited
US2123578A
Cited
US2089601A
Cited
US2153414A
Cited
US2212142A
Cited
US2103154A
Cited
US2116099A
Cited
US2245334A
Cited
US2283557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |