US2509957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for liquid cleaning of upholstered articles, fabrics, rugs, carpets, etc.
Assignee: Goodall-Sanford Inc
•
Filing: 1946-06-11
•
Granted: 1950-05-30
•
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 04:12
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)
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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) | 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 |