Patent US4224839A successfully refreshed from Google Patents.
Patent US2462574A successfully refreshed from Google Patents.
US2462574A
Expired / Lapsed
US
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Joint for shafts
Assignee: Individual
•
Filing: 1942-09-28
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Granted: 1949-02-22
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Expires: 1962-09-28
Abstract
No abstract record available.
Inventors
- 👤 Daisy T Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:29
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/16; F16D3/26; F16D3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307799A
Cited
US1092746A
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US1129025A
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US1186134A
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US1491988A
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US1447572A
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US1503571A
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US1695579A
Cited
US2255172A
Cited
US2331982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |