US2957455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
V-six engines
Assignee: Individual
•
Filing: 1958-12-01
•
Granted: 1960-10-25
•
Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Christiaan H Bouvy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:40
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/22; F16F15/24; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B2075/1804; F02B2075/1824; F02B2275/00; F02B2275/34; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/21; Y10T74/2173; Y10T74/2183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322579A
Cited
USRE15019E
Cited
GB191222760A
Cited
FR481076A
Cited
FR20645E
Cited
GB154824A
Cited
US1722950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |