US2784068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermolytic and pyrolytic gas generation
Assignee: Surface Combustion Corp
•
Filing: 1953-05-28
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Granted: 1957-03-05
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Expires: 1973-05-28
Abstract
No abstract record available.
Inventors
- 👤 Beggs Donald
- 👤 Theodore F Loughry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:26
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14; C; C10; C10G; C10G9/00; C10G9/28; C10G9/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511813A
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US2561419A
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US2555210A
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US2554407A
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US2673786A
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US2653903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |