Patent US2673558A successfully refreshed from Google Patents.
US2673558A
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Liquid fuel burning heater
Assignee: Motorola Solutions Inc
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Filing: 1948-10-01
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Granted: 1954-03-30
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Expires: 1968-10-01
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Budlane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:22
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/22; B60H1/2203; B60H1/2212; F; F24; F24C; F24C5/00; F24C5/02; F24H; F24H15/00; F24H15/30; F24H15/355; F24H15/36; F24H3/00; F24H3/02; F24H3/06; F24H3/065; F24H3/08; F24H3/087; F24H9/00; F24H9/20; F24H9/2064; F24H9/2085; B60H2001/2268; B60H2001/2293
Claims Analysis
Total Claims: 0
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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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |