US3298283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid transmission system
Assignee: Bullard Co
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Filing: 1964-11-23
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Granted: 1967-01-17
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Iii Edward P Bullard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:02
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q35/12; B23Q35/121; F; F16; F16H; F16H53/00; G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; G05B19/066; G05B19/43; G05B19/46; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/302072; Y10T409/302128; Y10T82/00; Y10T82/25; Y10T82/2531
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
173 words
APPARATUS COMPRISING IN COMBINATION, A BASE; A SADDLE MOUNTED ON SAID BASE FOR RECTILINEAR MOVEMENT THEREALONG; A SLIDE MOUNTED ON SAID SADDLE FOR MOVEMENT ALONG A PATH ANGULARLY RELATED TO THE PATH OF MOVEMENT OF SAID SADDLE; SEPARATE PISTON AND CYLINDER MEANS FOR SAID SADDLE AND SLIDE, SAID PISTON AND CYLINDER MEANS INCLUDING DIFFERENTIAL EFFECTIVE AREA MEANS; SUBSTANTIALLY RIGID, NONFLEXIBLE FLUID DUCT MEANS FOR CONTINUOUSLY ADMITTING CONSTANT PRESSURE FLUID TO THE PISTON AND CYLINDER MEANS OF LESSER EFFECTIVE AREA; ROTATABLE TEMPLATE MEANS MOUNTED ON SAID BASE HAVING SEPARATE COMPONENTS THE COORDINATES OF WHICH ARE PROPORTIONAL TO THE CORRESPONDING AXIS COORDINATES OF SAID SADDLE AND SLIDE SEPARATE SERVO VALVE MEANS FOR SAID SADDLE AND SLIDE MOUNTED ON SAID BASE FOR MOVEMENT TOWARD AND AWAY FROM SAID TEMPLATE MEANS; FLUID DUCT MEANS COMMUNICATING WITH PASSAGES IN SAID MOVABLE SERVO VALVE MEANS, SAID FLUID DUCT MEANS BEING STATIONARY, SUBSTANTIALLY RIGID, NON-FLEXIBLE MEMBERS; AND SUBSTANTIALLY RIGID, NON-FLEXIBLE FLUID DUCT MEANS CONNECTING SAID SERVO VALVE MEANS TO THE LARGER EFFECTIVE AREA MEANS OF SAID PISTON AND CYLINDER MEANS.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |