US3034273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid collecting vacuum cleaner
Assignee: Individual
•
Filing: 1959-04-06
•
Granted: 1962-05-15
•
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 09:08
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US682811A
Cited
GB190311842A
Cited
US956784A
Cited
US1199713A
Cited
US1526384A
Cited
US2306212A
Cited
US2321653A
Cited
US2608268A
Cited
US2616517A
Cited
US2731103A
Cited
US2794513A
Cited
GB786443A
Cited
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 |