Patent US2509957A successfully refreshed from Google Patents.
US2509957A
Expired / Lapsed
US
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Machine for liquid cleaning of upholstered articles, fabrics, rugs, carpets, etc.
Assignee: Goodall-Sanford Inc
•
Filing: 1946-06-11
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Granted: 1950-05-30
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Expires: 1966-06-11
Abstract
No abstract record available.
Inventors
- 👤 James E Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:59
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A47L11/34; D; D06; D06F; D06F9/00; D06G; D06G1/00; Y; Y10; Y10S; Y10S29/00; Y10S29/068; Y10S29/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US673960A
Cited
US842997A
Cited
US1389809A
Cited
US1482744A
Cited
US1529691A
Cited
US1714273A
Cited
US1597644A
Cited
US1937258A
Cited
AT126180B
Cited
US1892347A
Cited
DE571670C
Cited
US1975380A
Cited
GB407726A
Cited
US2248699A
Cited
US2218913A
Cited
US2230404A
Cited
US2372599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |