Patent US4536781A successfully refreshed from Google Patents.
Patent US2965164A successfully refreshed from Google Patents.
US2965164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel torches
Assignee: CAV Ltd
•
Filing: 1958-10-10
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Granted: 1960-12-20
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Expires: 1978-10-10
Abstract
No abstract record available.
Inventors
- 👤 Curzon Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:34
CPC Classifications
F; F23; F23C; F23C99/00; F02; F02M; F02M53/00; F02M53/04; F02M53/06; F23D; F23D11/00; F23D11/24; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 0
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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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |