Patent US3332322A successfully refreshed from Google Patents.
US3332322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic system and parts therefor or the like
Assignee: Robertshaw Controls Co
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Filing: 1965-02-12
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Granted: 1967-07-25
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Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Roland D Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:41
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/43; G05B19/44; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN COMBINATION, A HOUSING MEANS HAVING TWO PORTS THEREIN, A FIRST FLEXIBLE DIAPHRAGM CARRIED BY SAID HOUSING MEANS AND WHEN IN ONE POSITION PERMITTING COMMUNICATION BETWEEN SAID PORTS AND WHEN IN ANOTHER POSITION PREVENTING COMMUNICATION BETWEEN SAID PORTS, AND A SECOND FLEXIBLE DIAPHRAGM CARRIED BY SAID HOUSING MEANS, SAID SECOND DIAPHRAGM WHEN IN ONE POSITION THEREOF BEING SPACED FROM SAID FIRST DIAPHRAGM AND PERMITTING SAID FIRST DIAPHRAGM TO MOVE TO SAID ONE POSITION THEREOF AND WHEN MOVED TO ANOTHER POSITION THEREOF DIRECTLY ENGAGING SAID FIRST DIAPHRAGM AND HOLDING SAID FIRST DIAPHRAGM IN SAID OTHER POSITION THEREOF.
Claim 2
Dependent Claim
96 words
IN COMBINATION, A HOUSING MEANS HAVING TWO PORTS THEREIN, A FIRST FLEXIBLE DIAPHRAGM CARRIED BY SAID HOUSING MEANS AND WHEN IN ONE POSITION PERMITTING COMMUNICATION BETWEEN SAID PORTS AND WHEN IN ANOTHER POSITION PREVENTING COMMUNICATION BETWEEN SAID PORTS, AND A SECOND FLEXIBLE DIAPHRAGM CARRIED BY SAID HOUSING MEANS, SAID SECOND DIAPHRAGM WHEN IN ONE POSITION THEREOF BEING SPACED FROM SAID FIRST DIAPHRAGM AND PERMITTING SAID FIRST DIAPHRAGM TO MOVE TO SAID ONE POSITION THEREOF AND WHEN MOVED TO ANOTHER POSITION THEREOF DIRECTLY ENGAGING SAID FIRST DIAPHRAGM AND HOLDING SAID FIRST DIAPHRAGM IN SAID OTHER POSITION THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |