US2696128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manual operating handle mechanism
Assignee: McGraw Electric Co
•
Filing: 1951-04-18
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Granted: 1954-12-07
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Expires: 1971-04-18
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Runke
- 👤 Charles J Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:18
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/60; F16K31/602; G; G05; G05G; G05G7/00; G05G2700/00; G05G2700/20; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20744; Y10T74/20756
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1036646A
Cited
GB191411376A
Cited
US1439018A
Cited
US1834939A
Cited
GB360162A
Cited
US2165060A
Cited
US2519536A
Cited
US2572444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |