US3077212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic shutoff device
Assignee: Symington Wayne Corp
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Filing: 1960-05-31
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Granted: 1963-02-12
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Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Robert T Hearn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/44; B67D7/46; B67D7/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
AN AUTOMATIC DISPENSING NOZZLE COMPRISING A HOLLOW BODY HAVING AN INLET MEANS, A VALVE, MANUAL OPERATING MEANS FOR OPENING SAID VALVE, MEANS FOR LATCHING SAID OPERATING MEANS IN THE VALVE-OPEN POSITION, AND RELEASE MEANS ACTING ON SAID OPERATING MEANS TO PERMIT CLOSURE OF THE SAID VALVE, A CHAMBER ON SAID BODY, A PAIR OF DIAPHRAGMS IN SPACED CONCENTRIC RELATIONSHIP IN SAID CHAMBER, A COMMON CONNECTION BETWEEN BOTH OF SAID DIAPHRAGMS AND SAID RELEASE MEANS, MEANS FOR PRODUCING A VACUUM BETWEEN SAID DIAPHRAGM WHEREBY, DUE
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |