Patent US2771841A successfully refreshed from Google Patents.
US2771841A
Expired / Lapsed
US
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Belt line charge
Assignee: Individual
•
Filing: 1947-08-15
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Granted: 1956-11-27
•
Expires: 1967-08-15
Abstract
No abstract record available.
Inventors
- 👤 Fino Anthony J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:29
CPC Classifications
B; B63; B63G; B63G7/00; B63G7/02; F; F41; F41H; F41H11/00; F41H11/12; F41H11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US536598A
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US722123A
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US764804A
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GB191024430A
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US1278932A
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US1738595A
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US2040581A
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US2210820A
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US2299327A
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US2409848A
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US2433875A
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US2455354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |