US3255480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaners
Assignee: Hoover Co
•
Filing: 1962-08-14
•
Granted: 1966-06-14
•
Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Louis E Segesman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:38
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362; A47L9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2155669A
Cited
US2375331A
Cited
US2507672A
Cited
US2741329A
Cited
US2714426A
Cited
US2745512A
Cited
US2780826A
Cited
US2766842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |