US3145573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control head
Assignee: Specialties Development Corp
•
Filing: 1962-12-21
•
Granted: 1964-08-25
•
Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Lester V Hebenstreit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:41
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; B; B63; B63C; B63C9/00; B63C9/24; Y; Y10; Y10S; Y10S116/00; Y10S116/42; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A CONTROL HEAD COMPRISING A MOVABLY MOUNTED MEMBER, MEANS FOR EFFECTING MOVEMENT OF SAID MEMBER, LOCKING MEANS FOR ENGAGING AND RESTRAINING SAID MEMBER AGAINST MOVEMENT, A CASING, AND A DIAPHRAGM MOUNTED IN SAID CASING AND CONNECTED TO SAID LOCKING MEANS TO EFFECT MOVEMENT THEREOF AND TO RENDER THE SAME INEFFECTIVE, SAID DIAPHRAGM BEING CONSTRUCTED OF MATERIAL PREVIOUS TO GAS AND IMPERVIOUS TO LIQUID AND SASID CASING HAVING APERTURE MEANS AT ONE SIDE OF SAID DIAPHRAGM FOR ADMITTING GAS AND LIQUID, WHEREBY SAID DIAPHRAGM IS UNAFFECTED BY
Claim 2
Dependent Claim
86 words
A CONTROL HEAD COMPRISING A MOVABLY MOUNTED MEMBER, MEANS FOR EFFECTING MOVEMENT OF SAID MEMBER, LOCKING MEANS FOR ENGAGING AND RESTRAINING SAID MEMBER AGAINST MOVEMENT, A CASING, AND A DIAPHRAGM MOUNTED IN SAID CASING AND CONNECTED TO SAID LOCKING MEANS TO EFFECT MOVEMENT THEREOF AND TO RENDER THE SAME INEFFECTIVE, SAID DIAPHRAGM BEING CONSTRUCTED OF MATERIAL PREVIOUS TO GAS AND IMPERVIOUS TO LIQUID AND SASID CASING HAVING APERTURE MEANS AT ONE SIDE OF SAID DIAPHRAGM FOR ADMITTING GAS AND LIQUID, WHEREBY SAID DIAPHRAGM IS UNAFFECTED BY
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |