US2527090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-08-14
•
Granted: 1950-10-24
•
Expires: 1967-08-14
Abstract
No abstract record available.
Inventors
- 👤 Dale S Bauman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:27
CPC Classifications
G; G04; G04B; G04B37/00; G04B37/14; Y; Y10; Y10S; Y10S224/00; Y10S224/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2099515A
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US662171A
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GB190101881A
Cited
US681934A
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CH66176A
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GB191420696A
Cited
CH75180A
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US1553857A
Cited
US2066437A
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US2229978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |