Patent US2679559A successfully refreshed from Google Patents.
US2679559A
Expired / Lapsed
US
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Limit switch operating mechanism
Assignee: Jack and Heintz Inc
•
Filing: 1952-03-26
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Granted: 1954-05-25
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Expires: 1972-03-26
Abstract
No abstract record available.
Inventors
- 👤 Robert E Morris
- 👤 Lyman S Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:43
CPC Classifications
G; G05; G05G; G05G15/00; G05G15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2482464A
Cited
US2437591A
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US2435440A
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US2490040A
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US2509409A
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US2600568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |