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US1763687A
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Assignee: Perfection Stove Co
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Filing: 1928-03-17
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Granted: 1930-06-17
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Expires: 1948-03-17
Abstract
No abstract record available.
Inventors
- 👤 Lee S Chadwick
- 👤 Resek Marc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:34
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/44; Y; Y10; Y10S; Y10S137/00; Y10S137/903; Y10S251/00; Y10S251/903
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) | 1933-06-16 | 1933-12-16 | 1934-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-16 | 1937-12-16 | 1938-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-16 | 1941-12-16 | 1942-06-17 | $7700.00 | Window Closed / Lapsed |