US3088441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve actuator
Assignee: Individual
•
Filing: 1960-07-11
•
Granted: 1963-05-07
•
Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Bacchi Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:43
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/066; F15B11/00; F15B11/06; F15B11/072; F16; F16K; F16K31/00; F16K31/12; F16K31/16; F16K31/163; F16K31/1635; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/212; F15B2211/216; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/30525; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41527; F15B2211/42; F15B2211/421; F15B2211/424; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/515; F15B2211/5151; F15B2211/55; F15B2211/60; F15B2211/625; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/75; F15B2211/80; F15B2211/885; F15B2211/8855
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A VALVE ACTUATOR COMPRISING A BASE PLATE, A HUB ON SAID BASE PLATE, A VALVE STEM JOURNALLED IN SAID HUB, A LEVER ON SAID VALVE STEM, A PAIR OF ALIGNED CYLINDERS, MEANS CONNECTING SAID CYLINDERS TO SAID BASE PLATE, A PAIR OF CONNECTED PISTONS RECIPROCABLE IN SAID CYLINDERS, A LINK CONNECTING SAID PISTONS AND SAID LEVER, A TUBE, A FREE PISTON RECIPROCABLE IN SAID TUBE, MEANS FOR CLOSING THE OPPOSITE ENDS OF SAID CYLINDERS AND OF SAID TUBE, FIRST MEANS FOR ESTABLISHING COMMUNICATION BETWEEN ONE END OF SAID TUBE
Claim 2
Dependent Claim
89 words
A VALVE ACTUATOR COMPRISING A BASE PLATE, A HUB ON SAID BASE PLATE, A VALVE STEM JOURNALLED IN SAID HUB, A LEVER ON SAID VALVE STEM, A PAIR OF ALIGNED CYLINDERS, MEANS CONNECTING SAID CYLINDERS TO SAID BASE PLATE, A PAIR OF CONNECTED PISTONS RECIPROCABLE IN SAID CYLINDERS, A LINK CONNECTING SAID PISTONS AND SAID LEVER, A TUBE, A FREE PISTON RECIPROCABLE IN SAID TUBE, MEANS FOR CLOSING THE OPPOSITE ENDS OF SAID CYLINDERS AND OF SAID TUBE, FIRST MEANS FOR ESTABLISHING COMMUNICATION BETWEEN ONE END OF SAID TUBE
References Cited (Backward Citations)
US2674138A
Cited
US2808811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |