US2645749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid level motor control system
Assignee: OI Glass Inc
•
Filing: 1948-09-04
•
Granted: 1953-07-14
•
Expires: 1968-09-04
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
- 👤 Verney G Politsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:31
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1961893A
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US2042169A
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US2177083A
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US2334988A
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US2394220A
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US2380436A
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US2428126A
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US2534801A
Cited
US2534958A
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US2560639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |