US2787153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rug cleaning machine
Assignee: American Laundry Machinery Co
•
Filing: 1954-09-03
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Granted: 1957-04-02
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Expires: 1974-09-03
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Ketchum
- 👤 William D Kemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:00
CPC Classifications
D; D06; D06G; D06G1/00; D06B; D06B1/00; D06B1/10; D06B1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |