US2489073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aneroid, including loading mechanism therefor
Assignee: Individual
•
Filing: 1943-11-19
•
Granted: 1949-11-22
•
Expires: 1963-11-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Bauman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:01
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0615; G05D1/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1304808A
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US1049038A
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US1586648A
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US1766657A
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US2112965A
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US2191250A
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US2225270A
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US2323311A
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US2316009A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |