US2310979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline and oil vapor pressure controller
Assignee: Individual
•
Filing: 1939-08-23
•
Granted: 1943-02-16
•
Expires: 1959-08-23
Abstract
No abstract record available.
Inventors
- 👤 William M Mercer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:58
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; G; G01; G01L; G01L13/00; G01L13/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
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) | 1946-02-15 | 1946-08-17 | 1947-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-15 | 1950-08-17 | 1951-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-15 | 1954-08-17 | 1955-02-16 | $7700.00 | Window Closed / Lapsed |