US3061859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rug scrubbing machine
Assignee: Individual
•
Filing: 1959-07-17
•
Granted: 1962-11-06
•
Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Frank X Dubay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:45
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/32; A47L11/325; A47L11/4036; A47L11/4041; A47L11/4052; A47L11/4058; A47L11/4061; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/4083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1268963A
Cited
US2293722A
Cited
US2396846A
Cited
US2735125A
Cited
GB734864A
Cited
US2842788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |