Patent US2974662A successfully refreshed from Google Patents.
US2974662A
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US
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Assignee: Individual
•
Filing: 1956-03-08
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Granted: 1961-03-14
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Expires: 1976-03-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:02
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0704; A47J37/0709
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB212681A
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GB308813A
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Cited
US2215984A
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GB567564A
Cited
US2441190A
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AT174178B
Cited
US2814286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |