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US2181385A
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Assignee: Individual
•
Filing: 1938-01-31
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Granted: 1939-11-28
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Expires: 1958-01-31
Abstract
No abstract record available.
Inventors
- 👤 Le Roy B Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5009; E05; E05Y; E05Y2800/00; E05Y2800/10; E05Y2800/74; E05Y2800/742; E05Y2800/744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-11-27 | 1943-05-29 | 1943-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-27 | 1947-05-29 | 1947-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-27 | 1951-05-29 | 1951-11-28 | $7700.00 | Window Closed / Lapsed |