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Patent US3034273A successfully refreshed from Google Patents.
US3034273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid collecting vacuum cleaner
Assignee: Individual
•
Filing: 1959-04-06
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Granted: 1962-05-15
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 James R Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:22
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/24; A47L9/242; A47L7/00; A47L7/0004; A47L7/0023; A47L7/0038; A47L7/0042; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2306212A
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US2731103A
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US2794513A
Cited
GB786443A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |