US2543252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch mechanism
Assignee: The Snow-Nabstedt Gear Corp
•
Filing: 1947-04-30
•
Granted: 1951-02-27
•
Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Nabstedt
- 👤 John O Berndtson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:35
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0632
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE152037C
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GB190614024A
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US1270794A
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DE319637C
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US1948190A
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US2135617A
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FR846798A
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US2374688A
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US2345410A
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US2380572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |