US2823409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling cleaner for textile rooms
Assignee: Individual
•
Filing: 1952-01-15
•
Granted: 1958-02-18
•
Expires: 1972-01-15
Abstract
No abstract record available.
Inventors
- 👤 George W Allred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:07
CPC Classifications
D; D01; D01H; D01H11/00; D01H11/005; D01H11/006; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US708622A
Cited
US1248437A
Cited
US1517961A
Cited
US1939481A
Cited
US2230370A
Cited
US2378361A
Cited
US2610349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |