US1502219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Individual
•
Filing: 1920-06-26
•
Granted: 1924-07-22
•
Expires: 1940-06-26
Abstract
No abstract record available.
Inventors
- 👤 Charles F Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:39
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/16; F02M23/00; F02M23/04; F02M23/08; F02M23/09; F02M3/00; F02M3/08; F02M3/12; F02M31/00; F02M31/02; F02M31/04; F02M31/06; F02M31/07; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S261/00; Y10S261/08; Y10S261/12
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) | 1927-07-22 | 1928-01-21 | 1928-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-22 | 1932-01-21 | 1932-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-22 | 1936-01-21 | 1936-07-22 | $7700.00 | Window Closed / Lapsed |