US1624741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1926-12-10
•
Granted: 1927-04-12
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Expires: 1946-12-10
Abstract
No abstract record available.
Inventors
- 👤 Louis A Leppke
- 👤 Scharf John Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; G09F7/04; Y; Y10; Y10S; Y10S206/00; Y10S206/818; Y10S211/00; Y10S211/01; Y10S33/00; Y10S33/01; Y10S428/00; Y10S428/90
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) | 1930-04-11 | 1930-10-11 | 1931-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-11 | 1934-10-11 | 1935-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-11 | 1938-10-11 | 1939-04-12 | $7700.00 | Window Closed / Lapsed |