US2962003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opposed-cylinder motors
Assignee: SHORT BROTHERS AND HARLANDS LT
•
Filing: 1959-02-17
•
Granted: 1960-11-29
•
Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Ransom Richard Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:06
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US12179A
Cited
US347219A
Cited
US757452A
Cited
GB190316525A
Cited
FR487469A
Cited
US2648581A
Cited
US2684053A
Cited
US2714879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |