Patent US2656701A successfully refreshed from Google Patents.
US2656701A
Expired / Lapsed
US
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Rug scouring apparatus
Assignee: Proctor and Schwartz Inc
•
Filing: 1949-05-25
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Granted: 1953-10-27
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Expires: 1969-05-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry C Hartenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:51
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B2700/00; D06B2700/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US555842A
Cited
US571981A
Cited
US924979A
Cited
US922900A
Cited
US1008413A
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US1135146A
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US1213048A
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US1564453A
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US1587444A
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US1642147A
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US1849045A
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US1885464A
Cited
US2064512A
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US1934749A
Cited
US2304592A
Cited
US2342235A
Cited
US2366136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |