Patent US1615593A successfully refreshed from Google Patents.
US1615593A
Expired / Lapsed
US
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Wire-heating oven
Assignee: Surface Combustion Corp
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Filing: 1925-09-12
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Granted: 1927-01-25
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Expires: 1945-09-12
Abstract
No abstract record available.
Inventors
- 👤 Manker Forrest William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:44
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-01-24 | 1930-07-26 | 1931-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-24 | 1934-07-26 | 1935-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-24 | 1938-07-26 | 1939-01-25 | $7700.00 | Window Closed / Lapsed |