US2552016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible hand rake
Assignee: Individual
•
Filing: 1946-07-15
•
Granted: 1951-05-08
•
Expires: 1966-07-15
Abstract
No abstract record available.
Inventors
- 👤 Rose Charles Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:54
CPC Classifications
A; A01; A01D; A01D7/00; A01D7/04; E; E01; E01H; E01H5/00; E01H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US308751A
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US359255A
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US425695A
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US501430A
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US556389A
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US629917A
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US731419A
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US954521A
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US1174804A
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US1334969A
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US1506634A
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FR713572A
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US1960894A
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US2336553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |