US3213333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay control device
Assignee: Westinghouse Electric Corp
•
Filing: 1963-06-28
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Granted: 1965-10-19
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Mikina
- 👤 Merrideth D Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:48
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/86; H01H50/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A TIME DELAY MECHANISM COMPRISING A MOVABLE MEMBER, A FIRST MEMBER HAVING A FIRST SURFACE AND AN ELONGAGED GROOVE THEREIN AT SAID FIRST SURFACE, A SECOND MEMBER HAVING A SECOND AND GENERALLY SMOOTH SURFACE ENGAGING SAID FIRST SURFACE AND OVERLYING AT LEAST A PART OF SAID ELONGATED GROOVE TO FORM A FLUID FLOW PASSAGE, MEANS OPERABLE TO FORCE FLUID THROUGH SAID FLOW PASSAGE, SAID MOVABLE MEMBER BEING MOVABLE AT A SPEED CONTROLLED BY THE RATE OF FLOW OF FLUID THROUGH SAID PASSAGE, AND MEANS ADJUSTABLE TO A STATIONARY POSITION TO VARY THE EFFECTIVE LENGTH OF SAID FLUID FLOW PASSAGE TO THEREBY VARY THE RATE OF FLOW OF FLUID THROUGH SAID FLOW PASSAGE.
Claim 2
Dependent Claim
112 words
A TIME DELAY MECHANISM COMPRISING A MOVABLE MEMBER, A FIRST MEMBER HAVING A FIRST SURFACE AND AN ELONGAGED GROOVE THEREIN AT SAID FIRST SURFACE, A SECOND MEMBER HAVING A SECOND AND GENERALLY SMOOTH SURFACE ENGAGING SAID FIRST SURFACE AND OVERLYING AT LEAST A PART OF SAID ELONGATED GROOVE TO FORM A FLUID FLOW PASSAGE, MEANS OPERABLE TO FORCE FLUID THROUGH SAID FLOW PASSAGE, SAID MOVABLE MEMBER BEING MOVABLE AT A SPEED CONTROLLED BY THE RATE OF FLOW OF FLUID THROUGH SAID PASSAGE, AND MEANS ADJUSTABLE TO A STATIONARY POSITION TO VARY THE EFFECTIVE LENGTH OF SAID FLUID FLOW PASSAGE TO THEREBY VARY THE RATE OF FLOW OF FLUID THROUGH SAID FLOW PASSAGE.
References Cited (Backward Citations)
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US2521202A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |