US2638849A
Expired / Lapsed
US
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Assignee: Motorola Solutions Inc
•
Filing: 1947-01-29
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Granted: 1953-05-19
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Expires: 1967-01-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Budlane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:59
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/04; F02; F02M; F02M59/00; F02M59/12; F02M59/14; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2079858A
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GB440693A
Cited
US2039999A
Cited
US2169827A
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US2254495A
Cited
US2298756A
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US2383193A
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US2368132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |