US2842788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpet scrubbing machine
Assignee: Racine Industrial Plant Inc
•
Filing: 1956-01-27
•
Granted: 1958-07-15
•
Expires: 1976-01-27
Abstract
No abstract record available.
Inventors
- 👤 Harry D Rench
- 👤 Herbert W Harris
- 👤 Harold M Kelm
- 👤 Loren R Massie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:56
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4075; A47L11/32; A47L11/325; A47L11/4013; A47L11/4036; A47L11/4041; A47L11/4063; A47L11/4069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |