US780352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating composition.
Assignee: FIRELESS HEATING Co
•
Filing: 1904-10-03
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Granted: 1905-01-17
•
Expires: 1924-10-03
Abstract
No abstract record available.
Inventors
- 👤 Emil Kafka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:26
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/12; A47G19/127
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) | 1908-01-17 | 1908-07-18 | 1909-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-01-17 | 1912-07-18 | 1913-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-01-17 | 1916-07-18 | 1917-01-17 | $7700.00 | Window Closed / Lapsed |