US2127747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current motor
Assignee: Individual
•
Filing: 1934-07-30
•
Granted: 1938-08-23
•
Expires: 1954-07-30
Abstract
No abstract record available.
Inventors
- 👤 John K Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:36
CPC Classifications
F; F03; F03B; F03B17/00; F03B17/06; F03B17/061; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10S; Y10S415/00; Y10S415/905; Y10S415/906
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) | 1941-08-22 | 1942-02-21 | 1942-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-22 | 1946-02-21 | 1946-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-22 | 1950-02-21 | 1950-08-23 | $7700.00 | Window Closed / Lapsed |