US1572523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine
Assignee: Individual
•
Filing: 1920-01-14
•
Granted: 1926-02-09
•
Expires: 1940-01-14
Abstract
No abstract record available.
Inventors
- 👤 Finley Thomas Milton
- 👤 Allen W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:59
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/02; F01L; F01L1/00; F01L1/02; F01L1/04; F01L1/047; F01M11/00; F01M11/02; F01P; F01P3/00; F01P3/12; F01P3/14; F02; F02B; F02B73/00; F01M11/0004; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1832; F02B2275/00; F02B2275/18; F02B75/20; Y; Y10; Y10S; Y10S123/00; Y10S123/08; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/19; Y10T74/19023; Y10T74/19051; Y10T74/19065; Y10T74/21; Y10T74/2173; Y10T74/2174; Y10T74/2183; Y10T74/2184
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) | 1929-02-08 | 1929-08-10 | 1930-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-02-08 | 1933-08-10 | 1934-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-02-08 | 1937-08-10 | 1938-02-09 | $7700.00 | Window Closed / Lapsed |