US1391415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field-stove
Assignee: J K WILLIAMS
•
Filing: 1918-10-19
•
Granted: 1921-09-20
•
Expires: 1938-10-19
Abstract
No abstract record available.
Inventors
- 👤 Rudolph I Schonitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:04
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/20; F24B1/202; Y; Y02; Y02A; Y02A40/00; Y02A40/90; Y02A40/924; Y02A40/928
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) | 1924-09-19 | 1925-03-21 | 1925-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-09-19 | 1929-03-21 | 1929-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-09-19 | 1933-03-21 | 1933-09-20 | $7700.00 | Window Closed / Lapsed |