Patent US2845786A successfully refreshed from Google Patents.
US2845786A
Expired / Lapsed
US
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Cleaning apparatus
Assignee: INTERCONTINENTAL Manufacturing Co I
•
Filing: 1952-10-15
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Granted: 1958-08-05
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Expires: 1972-10-15
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Chrisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:41
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1623080A
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US1926977A
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US2166294A
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FR843940A
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US2232094A
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US2425146A
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US2547222A
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US2434476A
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US2607209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |