US2848873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for causing intermittent operation of a hydraulic motor
Assignee: Keelavite Co Ltd
•
Filing: 1955-11-25
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Granted: 1958-08-26
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Levetus Francis Benjamin
- 👤 Hyslop Alan Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:26
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F15; F15B; F15B11/00; F15B11/08; F16H61/46; F16H61/47; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/32; F15B2211/329; F15B2211/355; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41554; F15B2211/60; F15B2211/635; F15B2211/6355; F15B2211/67; F15B2211/70; F15B2211/705; F15B2211/7058; F15B2211/77
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |