Patent US3055039A successfully refreshed from Google Patents.
US3055039A
Expired / Lapsed
US
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Cleaning apparatus
Assignee: Signal Manufacturing Co
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Filing: 1959-02-02
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Granted: 1962-09-25
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Aaron H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:20
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0042; A47L11/00; A47L11/29; A47L11/30; A47L11/40; A47L11/4013; A47L11/4016; A47L11/4025; A47L11/4075; A47L7/0023; A47L7/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US744437A
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US971044A
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US1428583A
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US1826798A
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US2046172A
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GB386999A
Cited
US2187164A
Cited
US2372944A
Cited
US2626418A
Cited
US2886125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |