US2981322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary liquid fuel supply system for outboard motors and the like
Assignee: Individual
•
Filing: 1959-09-23
•
Granted: 1961-04-25
•
Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 Henry C Schum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:43
CPC Classifications
F; F02; F02B; F02B1/00; B; B63; B63H; B63H20/00; B63H20/001; F02M; F02M37/00; F02M37/0011; F02M37/0023; F02M37/0047; F02M37/007; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4383; F02M2700/4385; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/7722; Y10T137/7837; Y10T137/7854; Y10T137/7856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |