Patent US3081786A successfully refreshed from Google Patents.
US3081786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulating controller for a flow control device
Assignee: Individual
•
Filing: 1959-11-05
•
Granted: 1963-03-19
•
Expires: 1979-11-05
Abstract
No abstract record available.
Inventors
- 👤 Edwards Miles Loweil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:23
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/003; B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A DIFFERENTIAL PRESSURE SENSING DEVICE COMPRISING A CASING HAVING AN OPENING THEREIN, A SWINGABLE PLATE MEANS MOUNTED IN SAID OPENING FOR EXPOSURE ON ITS OPPOSITE SIDES TO TWO DIFFERENT SOURCES OF FLUID PRESSURE, SAID PLATE HAVING AN END PORTION MOUNTED IN SAID FRAME AT ONE MARGINAL SIDE OF SAID OPENING, A TONGUE CUT IN SAID PLATE ADJACENT THE MOUNTED END THEREOF SO THAT THE MAIN PORTION OF SAID PLATE IN SAID OPENING IS CONNECTED WITH SAID MOUNTED END OF THE PLATE BY A PLURALITY OF RELATIVELY NARROW STRIPS OF MATERIAL WHICH ARE SUBJECT TO BENDING UPON MOVEMENT OF THE PLATE AS A FLEXIBLY SUPPORTED RIGID CANTILEVER UNIT, THE REMAINING EDGE PORTIONS OF THE PLATE EXCEPT FOR SAID MOUNTED END PORTION HAVING WORKING CLEARANCE WITHIN SAID OPENING, MEANS DEFINING A RECEIVING ORIFICE IN SAID CASING ON THE OPPOSITE SIDE OF SAID OPENING,
Claim 2
Dependent Claim
141 words
A DIFFERENTIAL PRESSURE SENSING DEVICE COMPRISING A CASING HAVING AN OPENING THEREIN, A SWINGABLE PLATE MEANS MOUNTED IN SAID OPENING FOR EXPOSURE ON ITS OPPOSITE SIDES TO TWO DIFFERENT SOURCES OF FLUID PRESSURE, SAID PLATE HAVING AN END PORTION MOUNTED IN SAID FRAME AT ONE MARGINAL SIDE OF SAID OPENING, A TONGUE CUT IN SAID PLATE ADJACENT THE MOUNTED END THEREOF SO THAT THE MAIN PORTION OF SAID PLATE IN SAID OPENING IS CONNECTED WITH SAID MOUNTED END OF THE PLATE BY A PLURALITY OF RELATIVELY NARROW STRIPS OF MATERIAL WHICH ARE SUBJECT TO BENDING UPON MOVEMENT OF THE PLATE AS A FLEXIBLY SUPPORTED RIGID CANTILEVER UNIT, THE REMAINING EDGE PORTIONS OF THE PLATE EXCEPT FOR SAID MOUNTED END PORTION HAVING WORKING CLEARANCE WITHIN SAID OPENING, MEANS DEFINING A RECEIVING ORIFICE IN SAID CASING ON THE OPPOSITE SIDE OF SAID OPENING,
References Cited (Backward Citations)
US1745256A
Cited
US2058309A
Cited
US2386291A
Cited
US2763279A
Cited
US2802484A
Cited
US2839080A
Cited
US2907348A
Cited
US2986152A
Cited
US2911005A
Cited
US2952265A
Cited
US2844159A
Cited
US2974674A
Cited
US3013432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |