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US2622264A
Expired / Lapsed
US
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Cleaner towage direction control
Assignee: Individual
•
Filing: 1948-07-15
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Granted: 1952-12-23
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Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Edward N Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:05
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362; Y; Y10; Y10S; Y10S55/00; Y10S55/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB283173A
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US2024367A
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US2099377A
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US2155669A
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US2280350A
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US2306605A
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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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |