US3024484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rug shampooing machine
Assignee: AMERICAN WATERLOCK Corp
•
Filing: 1960-08-19
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Granted: 1962-03-13
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 William P Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:20
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/161; A47L11/4063; A47L11/4069; A47L11/408; A47L11/4083; A47L11/4088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1949659A
Cited
US2358119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |