US3270751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoking device
Assignee: Delcron Products Inc
•
Filing: 1964-03-16
•
Granted: 1966-09-06
•
Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Richard C Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:34
CPC Classifications
A; A24; A24F; A24F13/00; A24F13/02; A24F13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A SMOKING DEVICE ARRANGED TO BE INSERTED BETWEEN A SOURCE OF SMOKE AND A SMOKER, AN END PIECE BODY FORMING ON ONE END A SMOKE CHAMBER WHICH IS ADAPTED TO RECEIVE SMOKE FROM SAID SOURCE AND ON THE OTHER END A PERIPHERAL WALL FORMING A RECESS, A FRONT PIECE HAVING ON ONE END A SMOKE WITHDRAWAL CHAMBER FROM WHICH A SMOKER MAY WITHDRAW THE SMOKE PRODUCTS AND ON THE OTHER END THEREOF A PLUG FITTING INTO SAID RECESS OF SAID END PIECE, SAID END PIECE HAVING A SMOKE PASSAGE COMMUNICATING WITH SAID SMOKE CHAMBER AND AN AIR PASSAGE FORMED AS AN ENLARGED BLIND HOLE WHICH REDUCES THE THICKNESS OF SAID PERIPHERAL WALL AT SAID HOLE TO PROVIDE DIRECT COMMUNICATION FROM SAID BLIND HOLE TO THE SURROUNDING AIR, SAID PLUG ARRANGED WITH A PLURALITY OF PAIRS OF ORIFICES, EACH PAIR OF WHICH IS DISPOSED TO BE ALIGNABLE WITH SAID TWO PASSAGES, AND MEANS FOR RELATIVELY MOVING SAID PLUG TO ALIGN ANY ONE OF SAID PAIRS WITH SAID TWO PASSAGES TO METER A PREDETERMINED RATIO OF AIR TO SMOKE FROM SAID PASSAGES TO SAID WITHDRAWAL CHAMBER.
Claim 2
Dependent Claim
184 words
A SMOKING DEVICE ARRANGED TO BE INSERTED BETWEEN A SOURCE OF SMOKE AND A SMOKER, AN END PIECE BODY FORMING ON ONE END A SMOKE CHAMBER WHICH IS ADAPTED TO RECEIVE SMOKE FROM SAID SOURCE AND ON THE OTHER END A PERIPHERAL WALL FORMING A RECESS, A FRONT PIECE HAVING ON ONE END A SMOKE WITHDRAWAL CHAMBER FROM WHICH A SMOKER MAY WITHDRAW THE SMOKE PRODUCTS AND ON THE OTHER END THEREOF A PLUG FITTING INTO SAID RECESS OF SAID END PIECE, SAID END PIECE HAVING A SMOKE PASSAGE COMMUNICATING WITH SAID SMOKE CHAMBER AND AN AIR PASSAGE FORMED AS AN ENLARGED BLIND HOLE WHICH REDUCES THE THICKNESS OF SAID PERIPHERAL WALL AT SAID HOLE TO PROVIDE DIRECT COMMUNICATION FROM SAID BLIND HOLE TO THE SURROUNDING AIR, SAID PLUG ARRANGED WITH A PLURALITY OF PAIRS OF ORIFICES, EACH PAIR OF WHICH IS DISPOSED TO BE ALIGNABLE WITH SAID TWO PASSAGES, AND MEANS FOR RELATIVELY MOVING SAID PLUG TO ALIGN ANY ONE OF SAID PAIRS WITH SAID TWO PASSAGES TO METER A PREDETERMINED RATIO OF AIR TO SMOKE FROM SAID PASSAGES TO SAID WITHDRAWAL CHAMBER.
References Cited (Backward Citations)
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GB776316A
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |