US2876479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner transport accessory
Assignee: Hoover Co
•
Filing: 1955-11-10
•
Granted: 1959-03-10
•
Expires: 1975-11-10
Abstract
No abstract record available.
Inventors
- 👤 George E Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:30
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316239A
Cited
US1820728A
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US2232548A
Cited
CH233162A
Cited
US2634189A
Cited
DE819897C
Cited
US2740981A
Cited
US2781103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |