US3390945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid gas lighter
Assignee: Wieden & Co GmbH
•
Filing: 1966-03-25
•
Granted: 1968-07-02
•
Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Wieden Karl-Erich
- 👤 Buss Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:33
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/16; F23Q2/167; F23Q2/173; F23Q2/34; F23Q2/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2804763A
Cited
US2836044A
Cited
GB864988A
Cited
US2971361A
Cited
US3184931A
Cited
US3254511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |