US3222894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighter
Assignee: Waltham Watch Co
•
Filing: 1962-07-23
•
Granted: 1965-12-14
•
Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Allen B Gellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:40
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/16; F23Q2/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A PYROPHORIC LIGHTER UTILIZING LIQUIFIED FUEL UNDER PRESSURE, A FUEL CONTROL COMPRISING: MEANS DEFINING A FUEL CHAMBER; A BURNER; MEANS DEFINING A FUEL PASSAGE CONNECTING SAID FUEL CHAMBER WITH SAID BURNER; A VALVE SEAT IN SAID FUEL PASSAGE; A BALL VALVE BETWEEN SAID VALVE SEAT AND SAID BURNER; AND A RECIPROCABLE PLUNGER ADJACENT SAID BALL AND HAVING A SHOULDER AND A RECESS, SAID PLUNGER HAVING A FIRST POSITION IN WHICH SAID VALVE SEAT AND A SECOND POSITION ALIGNING SAID RECESS WITH SAID BALL, PERMITTING THE PRESSURE OF SAID FUEL TO MOVE SAID BALL AWAY FROM SAID VALVE SEAT.
Claim 2
Dependent Claim
99 words
IN A PYROPHORIC LIGHTER UTILIZING LIQUIFIED FUEL UNDER PRESSURE, A FUEL CONTROL COMPRISING: MEANS DEFINING A FUEL CHAMBER; A BURNER; MEANS DEFINING A FUEL PASSAGE CONNECTING SAID FUEL CHAMBER WITH SAID BURNER; A VALVE SEAT IN SAID FUEL PASSAGE; A BALL VALVE BETWEEN SAID VALVE SEAT AND SAID BURNER; AND A RECIPROCABLE PLUNGER ADJACENT SAID BALL AND HAVING A SHOULDER AND A RECESS, SAID PLUNGER HAVING A FIRST POSITION IN WHICH SAID VALVE SEAT AND A SECOND POSITION ALIGNING SAID RECESS WITH SAID BALL, PERMITTING THE PRESSURE OF SAID FUEL TO MOVE SAID BALL AWAY FROM SAID VALVE SEAT.
References Cited (Backward Citations)
USRE24163E
Cited
US2736181A
Cited
US2681554A
Cited
US2551688A
Cited
US2665573A
Cited
US2677948A
Cited
FR1071051A
Cited
US2737037A
Cited
US2750774A
Cited
US2784561A
Cited
GB812975A
Cited
US3093990A
Cited
US2943471A
Cited
GB833074A
Cited
GB882017A
Cited
US3006406A
Cited
FR1200837A
Cited
US3014357A
Cited
US3055201A
Cited
GB849988A
Cited
US3096636A
Cited
US3114249A
Cited
US3083554A
Cited
AT227010B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |