US1271304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic vaporizing-plug.
Assignee: J A MCDONALD
•
Filing: 1916-12-16
•
Granted: 1918-07-02
•
Expires: 1936-12-16
Abstract
No abstract record available.
Inventors
- 👤 William B Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:50
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/8593; Y10T137/86493; Y10T137/86718
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) | 1921-07-01 | 1921-12-31 | 1922-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-07-01 | 1925-12-31 | 1926-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-07-01 | 1929-12-31 | 1930-07-02 | $7700.00 | Window Closed / Lapsed |