US2613143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel treating device
Assignee: M M & M Engineering And Res Co
•
Filing: 1948-05-24
•
Granted: 1952-10-07
•
Expires: 1968-05-24
Abstract
No abstract record available.
Inventors
- 👤 William M Malouf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:59
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4373; F02M2700/4376
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A ROTATABLE BALL MEMBER COMPRISING A DIAMETRIC BORE THROUGH SAID BALL, A CHORDAL BORE IN SAID BALL INTERSECTING SAID DIAMETRIC BORE, A PERIPHERAL RECESS ACTING AS A VANE AT THE SURFACE OF SAID BALL AND CONNECTED TO ONE END OF SAID CHORDAL BORE.
Claim 2
Dependent Claim
43 words
A ROTATABLE BALL MEMBER COMPRISING A DIAMETRIC BORE THROUGH SAID BALL, A CHORDAL BORE IN SAID BALL INTERSECTING SAID DIAMETRIC BORE, A PERIPHERAL RECESS ACTING AS A VANE AT THE SURFACE OF SAID BALL AND CONNECTED TO ONE END OF SAID CHORDAL BORE.
References Cited (Backward Citations)
US1485112A
Cited
US1806406A
Cited
US1806404A
Cited
US1806356A
Cited
US2010973A
Cited
US2154807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |