US3283093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic inlet valve for central vacuum cleaning system
Assignee: Individual
•
Filing: 1965-04-27
•
Granted: 1966-11-01
•
Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Mabel G Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:43
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38; F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/20; F16K1/2007; F16K1/2014; F16K51/00; F16K51/02; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN INLET VALVE CONSTRUCTION INCLUDING A BODY PORTION AND A LID, MEANS HINGEDLY CONNECTING ONE EDGE PORTION OF THE LID TO AN ADJACENT EDGE PORTION OF THE PORTION, A PLURALITY OF TERMINALS ON SAID BODY PORTION, AN ELECTRIC CIRCUIT CONNECTED TO SAID TERMINALS, A MOTOR IN SAID CIRCUIT, A SLIDING CONTACT MOVABLE RELATIVE TO SAID TERMINALS AND FLEXIBLE MEANS RIGIDLY CONNECTED AT ONE END TO SAID SLIDING CONTACT AND PIVOTALLY CONNECTED AT THE OTHER END TO SAID LID, WHEREBY MOVEMENT OF THE LID TO A PREDETERMINED PARTIALLY OPEN POSITION WILL MOVE THE SLIDING CONTACT INTO CONTACT WITH CERTAIN OF SAID TERMINALS TO OPERATE THE MOTOR AND MOVEMENT OF THE LID TO FURTHER OPEN POSITION WILL MOVE THE SLIDING CONTACT TO POSITION TO CUT OFF THE MOTOR.
Claim 2
Dependent Claim
126 words
AN INLET VALVE CONSTRUCTION INCLUDING A BODY PORTION AND A LID, MEANS HINGEDLY CONNECTING ONE EDGE PORTION OF THE LID TO AN ADJACENT EDGE PORTION OF THE PORTION, A PLURALITY OF TERMINALS ON SAID BODY PORTION, AN ELECTRIC CIRCUIT CONNECTED TO SAID TERMINALS, A MOTOR IN SAID CIRCUIT, A SLIDING CONTACT MOVABLE RELATIVE TO SAID TERMINALS AND FLEXIBLE MEANS RIGIDLY CONNECTED AT ONE END TO SAID SLIDING CONTACT AND PIVOTALLY CONNECTED AT THE OTHER END TO SAID LID, WHEREBY MOVEMENT OF THE LID TO A PREDETERMINED PARTIALLY OPEN POSITION WILL MOVE THE SLIDING CONTACT INTO CONTACT WITH CERTAIN OF SAID TERMINALS TO OPERATE THE MOTOR AND MOVEMENT OF THE LID TO FURTHER OPEN POSITION WILL MOVE THE SLIDING CONTACT TO POSITION TO CUT OFF THE MOTOR.
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |